... 井框垛盘:curb 井框:crib ring 井口炸药室:make up bunker ...
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... shaft for cage winding 罐笼井 shaft frame 井框 shaft guide 井筒罐道 ...
基于64个网页-相关网页
... squareupholes整边炮孔 squaring井框 squeez变薄 ...
基于58个网页-相关网页
短语
井框支架
[矿业]
cribbing
;
casing
;
square timber support
木井框
woods frame
井框垛盘
curb
井框基础垛盘
[矿业]
bricking curb
密集井框支架
[矿业]
solid crib timbering
楼梯井框架梁
framing stair well beam
井框盖
Well box cover
-
crib ring
[wall] crib
curb
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