| ID | 原文 | 译文 |
| 5952 | 21 GB 1720 Method of Test for Adhesion of Paint Films | 21 《漆膜附着力测定法》GB 1720 |
| 5953 | 21 GB 19573 Limited Values of Energy Efficiency and Rating Criteria for High-pressure Sodium Vapour Lamps | 21 《高压钠灯能效限定值及能效等级》 GB 19573 |
| 5954 | 21 GB/T 15229 Lightweight Aggregate Concrete Small-sized Hollow Block | 21《轻集料混凝土小型空心砌块》GB/T 15229 |
| 5955 | 21 GB/T 5118 Low Alloy Steel Covered Electrodes | 21 《低合金钢焊条》GB/T 5118 |
| 5956 | 21 GB/T 709 Dimension Shape Weight and Error for Hot-rolled Steel Plates and Sheets | 21 《热轧钢板和钢带的尺寸、外形、重量及允许偏差》 GB/T 709 |
| 5957 | 21 Grouts | 21 灌浆工程 |
| 5958 | 21 JGJ 107 Technical specification for mechanical splicing of steel reinforcing bars | 21《钢筋机械连接技术规程》JGJ 107 |
| 5959 | 21 JGJ 51 Technical Specification for Lightweight Aggregate Concrete | 21 《轻骨料混凝土技术规程》 JGJ 51 |
| 5960 | 21.1 General Requirement | 21.1 一般规定 |
| 5961 | 21.1.1 This chapter is applicable to construction drawing review, construction process control and construction quality inspection of strengthening concrete structure members and masonry members of bearing structure with grouts for structural strengthening. | 21.1.1 本章适用于以结构加固用水泥基灌浆料加固承重结构混凝土构件和砌体构件的施工图复查、施工过程控制和施工质量检验。 |