... 整套的梯架 ladder assembly 机头维护梯架 forward work stand 梯架式钻进法 ladder drilling ...
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forward work stand
前工位
以上为机器翻译结果，长、整句建议使用 人工翻译 。
As we stand united with their families, let us now redouble our own efforts to carry their work forward.
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应用推荐
模块上移
模块下移
不移动