working pit的意思|示意

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working pit相关短语

1、 working pit edge 工作帮

2、 Arrangement of working pit 工作坑布置

3、 Construction of working pit 工作井施工

4、 pit working area 工作坑道

5、 open pit working 露天采场

6、 pit working line 露天矿工作线

7、 working line of pit 露天矿工作线

8、 working trench of open-pit 露天矿开段沟