| ID | 原文 | 译文 |
| 403 | 1 For connecting bolts, the strength in tension, shear force or under their combined action shall be check-calculated according to those specified in current national standard GB 50017 Standard for Design of Steel Structures. | 1 连接螺栓应按现行国家标准《钢结构设计规范》GB 50017验算螺栓在拉力、剪力或拉剪共同作用下的强度。 |
| 404 | 1 For corner towers, tension towers, terminal towers, transposition towers and straight-line corner towers take one set of test block every foundation unit respectively. | 1 转角、耐张、终端、换拉塔及直线转角塔基础每基应取一组； |
| 405 | 1 For double-span and double-slope roof, where the roof slope is not greater than 1/20, non-uniform distribution conditions specified in Item 3 in this table may not be considered for the interior roof, i.e., distribution coefficients 1.4 and 2.0 of snow in this table are considered according to 1.0. | 1 对于双跨双坡屋面，当屋面坡度不大于1/20时，内屋面可不考虑表中第3项规定的不均匀分布的情况，即表中的雪分布系数1.4及2.0均按1.0考虑。 |
| 406 | 1 For double-track sections, where there are no buildings (structures) between the two tracks, the safety clearance between the equipment gauges of the two tracks shall not be less than 100mm. | 1 对双线区间，当两线间无建（构）筑物时，两条线设备限界之间的安全间隙不应小于100mm。 |
| 407 | 1 For dry condition, AC power supply shall not be greater than 50V, ripple free DC power supply shall not be greater than 120V; | 1 在干燥场所交流供电不大于50V，无纹波直流供电不大于120V； |
| 408 | 1 For dwelling houses, hostels, office buildings, hotels, hospitals, nurseries and kindergarten, the horizontal load acting on the top of railings shall be taken as 1.0kN/m. | 1 住宅、宿舍、办公楼、旅馆、医院、托儿所、幼儿园，栏杆顶部的水平荷载应取1.0 kN／m； |
| 409 | 1 For each story (or single story) of the identical project, the sampling times of the motor with identical strength grade required by each 500m2 spraying and plastering motor layer shall not be less than one. | 1 同一工程每一楼层（或单层），每喷抹500m2（不足500m2，按500m2计）砂浆面层所需的同一强度等级的砂浆，其取样次数应不少于一次。 |
| 410 | 1 For eighteen storeys or less, the households of each storey shall not exceed eight; the building area is less than or equal to 650 m2 and one common smoke proof staircase and fire elevators are equipped. | 1 十八层及十八层以下，每层不超过8户、建筑面积不超过650m2，且设有一座共用的防烟楼梯间和消防电梯的住宅； |
| 411 | 1 For electrical (optical) cables led across the rails through the crushed stone ballast bed, the two ends of the protection pipes extended respectively out of the sleeper ends shall be no less than 500mm, and shall be embedded at locations 200mm deep below the ground, with the openings blocked tightly. | 1 通过碎石道床过轨时，防护管两端各伸出轨枕端不应小于500mm，并埋于地面200mm以下，管口封堵应严密。 |
| 412 | 1 For elements and components whose tributary area is not larger than 1.0 m2, take 1.0; | 1 当从属面积不大于1m2时，折减系数取1.0； |