Generally trench cover plastic mould has very good toughness, not easy to deformation, color plump, good thermal stability.
一般沟盖板塑料模具都有非常好的韧性，不易变形，颜色圆润饱满，具有很好的热稳定性。
In the boiler room trench should have cover board at the ground level.
锅炉房内沟道上应有与地面平齐的盖板。
Outdoor cable trench are reinforced concrete trench with reinforced concrete cover plate.
室外电缆沟由钢筋混凝土砌成，上面加钢筋混凝土盖板。
The jogging trench between the surface of the cover inner part and the thin wall is installed in the thin wall.
套内表面和薄板壁之间的嵌合沟设置在薄板壁上。
They left the house and tied a string to the outside knob of the front door, taking cover in a slit trench across the road. When they were all in the slit trench, they pulled the string.
英兵退出房子，用长绳把前门向外一面的圆形把手绑，到马路另一边的散兵坑躲藏，待大伙儿都进了坑之后，才拉动绳子。
When C581 South Line temporary road through the warehouse of other contractor, dig down and cover with wooden poles until all cable trench is excavated to the final parts.
C581南线开挖到临时道路，通过其它承包商仓库的时候先不开挖断，等电缆沟开挖到最后的时候再回头开挖这部分，开挖后并在这些地段铺上木方。
When C581 South Line temporary road through the warehouse of other contractor, dig down and cover with wooden poles until all cable trench is excavated to the final parts.
C581南线开挖到临时道路，通过其它承包商仓库的时候先不开挖断，等电缆沟开挖到最后的时候再回头开挖这部分，开挖后并在这些地段铺上木方。
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