ID 原文 译文
523 1 Handrail shall be arranged on both sides of pedestrian overpass and underpass ramps and it should be arranged in upper and lower layers; 1 人行天桥及地道在坡道的两侧应设扶手，扶手宜设上、下两层；
524 1 Hard and durable crushed stone or pebble shall be selected for the coarse aggregate and the maximum grain size shall meet the following requirements: 1 粗骨料应选用坚硬、耐久性好的碎石或卵石。其最大粒径应符合下列规定：
525 1 Headform diameter of heading should not be less than 1.5 times of the diameter of wires and the height of heading should not be less than the diameter of wires; 1 镦头的头型直径不宜小于钢丝直径的1.5倍，高度不宜小于钢丝直径；
526 1 Heating equipment equipped with automatic temperature controller is used and its heating, temperature measurement and temperature control performances shall meet the service requirements; 1 使用配有温度自动控制仪的加热设备，其加热、测温、控温性能应符合使用要求；
527 1 Height between lower opening of accessible urinal and the ground shall not be less than 400mm.1.20m high vertical grab bar shall be arranged at both sides of urinal with 250mm distant from the wall surface and 900mm high horizontal grab bar shall be arranged at places with 550mm distant from the wall surface and be connected with vertical grab bar; 1 无障碍小便器下口距地面高度不应大于400mm，小便器两侧应在离墙面250mm处，设高度为1.20m的垂直安全抓杆，并在离墙面550mm处，设高度为900mm水平安全抓杆，与垂直安全抓杆连接；
528 1 High frequency electronic ballast installation; 1 采用高频电子镇流器；
529 1 High temperature cooling source preparation mode and fresh air dehumidification mode shall be determined based on technical and economic analysis with consideration of climate characteristics; 1 应根据气候特点，经技术经济分析论证，确定高温冷源的制备方式和新风除湿方式；
530 1 High volume utilization ratio, good heat exchange effect, energy saving and water saving; 1 容积利用率高，换热效果好，节能、节水；
531 1 Holes in the concrete perforated brick used for load bearing wall shall be vertical to the top face. 1 承重墙体的混凝土多孔砖的孔洞应垂直于铺浆面。
532 1 Horizontal construction joints shall be set lower than the bottom of anchor bolts and the distance to the bottom of anchor bolts shall be larger than 150mm; when the anchor bolts are less than 30mm in diameter, the horizontal construction joints may be set in the positions where the depth is not less than 3/4 of the total depth of anchor bolts embedded parts. 1 水平施工缝应低于地脚螺栓底端，与地脚螺栓底端的距离应大于150mm；当地脚螺栓直径小于30mm时，水平施工缝可留设在深度不小于地脚螺栓埋入混凝土部分总长度的3/4处。