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關注：1
2013-05-23 12:21
求翻譯：The vibration of the nearby coil tank is evaluated in its welding and pressure test on the basis of the foundation particle vibration speed while the hammer falls down from 20m height.是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
The vibration of the nearby coil tank is evaluated in its welding and pressure test on the basis of the foundation particle vibration speed while the hammer falls down from 20m height.
問題補充： |
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