manhole cover
... manhole 沙井;搜检井 manhole cover 沙井盖;搜检井盖 manhole schedule 沙井施工表 ...
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沙井盖大小的 manhole-cover-sized
沙井盖大小 manhole-cover-sized
·2,447,543篇论文数据,部分数据来源于NoteExpress
它的施工分为两个部分,一是沙井盖下部部分,保证它的水平性,它需要被安置在沥青材料上,做好刚性盖的处理。
Its construction is divided into two parts, one is the lower part of the manhole cover, ensure that the level of it, it needs to be placed in the asphalt material, dealing with rigid cap.
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