1·Along the cable trench and pipe bracket installation.
沿电缆沟及管道支架安装等。
2·Electric power industry: centralized control room, communication center, Cable trench, Wind power generator room.
电力行业：集中控制室、通信中心机房、电缆沟(夹层、隧道)、风力发电机舱等。
3·The excavation size is not enough: Cable trench bottom width should be increased as per construction needs.
开挖尺寸不足：电缆沟底部的开挖宽度，应根据施工需要增加工作面宽度。
4·Ultra excavation: cable trench excavation shall not exceed the bottom elevation. If ultra-dig in some places, obtain the consent of design units.
沟底超挖：开挖矿用电缆沟不得超过沟底标高，如个别地方超挖时，其处理方法应取得设计单位的同意。