ID 原文 译文
4216 2 Lower limit value should be selected for the vehicles traveling on cement and bituminous pavement; upper limit value should be selected if the pavement grade is relatively low. 2 在水泥和沥青路面行驶的汽车，宜选用下限值；路面等级较低时，宜选用上限值。
4217 2 Luminaire and its metal frame and metallic protection tube shall be reliably connected with the protective earth wires (PE) and shall be marked; 2 灯具及其金属构架和金属保护管与保护接地线（PE）应连接可靠，且有标识；
4218 2 Luminaire enclosure shall be integrate without damage, concavity or deformation; lampshade shall be free from crack and the metal protecting wire net shall be free from torsional deformation; anti-explosion mark shall be distinct; 2 灯具的外壳应完整，无损伤、凹陷变形，灯罩无裂纹，金属护网无扭曲变形，防爆标志清晰；
4219 2 Luminaires of Class III shall be used for area 0 and area 1 of swimming pools and similar application. 2 游泳池和类似场所的0区和1区应选用Ⅲ类灯具。
4220 2 Luminaires shall be symmetrical light distribution; 2 灯具应为双对称配光；
4221 2 Machine rooms shall be ventilated, and deteriorated air exhausted from other parts of the building shall not be draught into machine room. 2 机房内应通风，从建筑物其他部分抽出的陈腐空气，不得排入机房内。
4222 2 Magnitude and nature of loadings acting on the ground; 2 作用在地基上的荷载大小和性质；
4223 2 Main town road; 2 城镇主要道路；
4224 2 Maintenance personnel shall pass examination after professional training and take the post with certificate. 2 维修人员应经过专业培训，考核合格，持证上岗。
4225 2 Making statistics of the operation conditions of equipments and optimizing the operation of equipment, generating tendency notice of maintenance and management, and improving the efficiency of equipment management. 2 对设备的运行状况进行统计，优化设备的运行；形成维护管理趋势预告，提高设备管理效率。