• BS EN ISO 9015-2 2016 Destructive tests on welds in metallic materials. Hardness testing. Microhardness testing of welded joints.pdf   
• ASTM D 4009 - 92 （2017） Standard Guide forFoam Stability of Hand Dishwashing Detergents1.pdf   
• BS EN 1993-1-7：2007-中文版（钢结构面外荷载板式结构）.pdf   
• BS EN 1011-1 2009 Welding. Recommendations for welding of metallic materials. General guidance for arc welding.pdf   
• ASTM-A780/A780M-20 Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings.pdf   
• BS EN 1117-1999 热交换器.液体冷却制冷的冷凝器.性能评定的试验方法.pdf   
• BS EN 17191-2021 儿童家具 儿童座椅 安全要求和试验方法.pdf   
• BS EN ISO 898-3 2018/A1 2021 Fasteners. Mechanical properties of fasteners made of carbon steel and alloy steel - Flat washers with specified property classes.pdf   
• ASTM D 4021 - 92 Standard Specification forGlass-Fiber-Reinforced Polyester Underground PetroleumStorage Tanks.pdf   
• ASTM E1316-21c Standard Terminology for Nondestructive Examinations.pdf   
• BS EN 1993-4-2：2007-中文版（钢结构罐体）.pdf   
• BS EN ISO 1452-1 2009 PlastICS pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 1 General（ISO 1452-12009）.pdf   
• BS EN 50525-1 2011 Electric cables. Low voltage energy cables of rated voltages up to and including 450-750 V （U0-U）. General requirements.pdf   
• ASTM A563/A563M-21a Standard Specification for Carbon and Alloy Steel Nuts （Inch and Metric）.pdf   
• ASTM D 4427 - 92 （Reapproved 2002）e1 Standard Classification of Peat Samples by Laboratory Testing1.pdf   
• EN 50173-3 2018 Information technology - Generic cabling systems - Part 3 Industrial spaces.pdf   
• BS EN 4179 2017 Aerospace series — Qualification and approval of personnel for non-destructive testing.pdf   
• BS EN 12560-4-2001 Flanges and their joints - Gaskets for Class-designated flanges - Corrugated flat or grooved metallic and filled metallic gaskets for use with steel flanges.pdf   
• BS EN 14811-2006 A1-2009 Railway applications Track-Special purpose rail一Grooved and associated construction.pdf   
• ASTM E3334-22 乙醇和乙醇溶液酸度的标准试验方法.pdf   
• BS EN 1337-7 2004 Structural bearings - Spherical and cylindrical PTFE bearings.pdf   
• BS ISO 3310-2 2013 Test sieves. Technical requirements and testing. Test sieves of perforated metal plate.pdf   
• BS EN 16603-32-03-2014 Space engineering Structural finite element models.pdf   
• 中文版 NFPA 5000 2018 Building Construction and Safety Code 第451-600页.docx   
• 中文版 ASTM D4206 - 96 （2018） Standard Test Method forSustained Burning of Liquid Mixtures Using the Small ScaleOpen-Cup Apparatus1.pdf   
• BS EN ISO 1452-4 2009 PlastICS pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 4 Valves（ISO 1452-42009）.pdf   
• BS EN 1993-1-8 2005 Eurocode 3. Design of steel structures - Design of joints.pdf   
• BS EN 10216-1 2013 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties.pdf   
• ASTM D4806-20 Standard Specification for Denatured Fuel Ethanol for Blending with Gasolines for Us.pdf   
• EN 50173-5 2018 Information technology - Generic cabling systems - Part 5 Data centre spaces.pdf   
• BS EN 1992-1-1 2004/A1 2014 Eurocode 2 Design of concrete structures. General rules and rules for buildings.pdf   
• 中文版 ASTM D 86 - 16a Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pre.pdf trans.docx   
• BS EN 1995-1-1：2004-中文版（木结构设计）.pdf   
• BS EN ISO 10873-2021 口腔医学-假牙粘合剂.pdf   
• EN 60754-1-2014 IEC 60754-1 2011 C1 2013 NEN-EN-IEC 60754-1 2014.pdf   
• BS EN 1993-1-9：2005-中文版（钢结构疲劳设计）.pdf   
• BS EN 1993-1-8：2005-中文版（钢结构节点设计）.pdf   
• BS EN 17088-2021 侧帘通风系统 安全.pdf   
• BS EN 12390-8 2019 Testing hardened concrete. Depth of penetration of water under pressure.pdf   
• BS EN ISO 14644-5 2004 洁净室和相关受控环境 - 第 5 部分：操作.pdf   
• ASTM D3359-17 Standard Test Methods for Rating Adhesion by Tape Test.pdf   
• BS EN ISO 8503-2 2012 Part 2 Method for the grading of surface profile of abrasive blast-cleaned steel — Comparator procedure.pdf   
• ASTM F1667 F1667M-21a 从动紧固件的标准规范钉子、钉子和订书钉.pdf   
• BS EN 17483-1-2021 私人保安服务 关键基础设施的保护 第1部分：一般要求.pdf   
• BS EN 10025-1 2004 Hot rolled products of structural steels. General technical delivery conditions.pdf   
• BS EN 206-1 2000 混凝土 第1部分 规范性能生产和一致性.pdf   
• BS EN 1993-1-10 2005 Eurocode 3. Design of steel structures - Material toughness and through-thickness properties.pdf   
• BS 7079 2009 General introduction to standards for preparation of steel substrates before application of paints and related products.pdf   
• AASHTO T 106M/T 106-21 Standard Method of Test for Compressive Strength of Hydraulic Cement Mortar （Using 50-mm or 2-in. Cube Specimens）.pdf   
• BS EN ISO 8503-3 2012 Part 3 Method for the calibration of ISO surface profile comparators and for the determination of surface profile — Focusing microscope procedure.pdf   
• EN 12390-1 2012 Testing hardened concrete - Part 1 Shape, dimensions and other requirements for specimens and moulds.pdf