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關注：1
2013-05-23 12:21
求翻譯：每掘進50m由地測人員對所放中線、腰線校核一次。是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
每掘進50m由地測人員對所放中線、腰線校核一次。
問題補充： |
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2013-05-23 12:21:38
50m from the ground and measured every boring person put on the center line, waist checking again.
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2013-05-23 12:23:18
Each boring 50 m from the ground and the detection of personnel on centerline, waist-line verification.
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2013-05-23 12:24:58
Each tunneling 50m to puts the median line, the waist line by the surveying personnel examines one time.
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2013-05-23 12:26:38
Each excavation 50m geological survey staff on the centerline, waist line check at a time.
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2013-05-23 12:28:18
正在翻譯，請等待...
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