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关注:1
2013-05-23 12:21
求翻译:7)初期支护是什么意思?![]() ![]() 7)初期支护
问题补充: |
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2013-05-23 12:21:38
7) Early Support
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2013-05-23 12:23:18
7) Initial support care
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2013-05-23 12:24:58
7) initial period supports and protections
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2013-05-23 12:26:38
7) initial support
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2013-05-23 12:28:18
The tunnel hole body uses the flexible transport, uses the car loader attire to be cut by broken glass, large-scale dump truck transportation.When installs the land sector which the dregs machinery cannot arrive, may use the artificial attire mine trolley transportation the way construction.
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