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标题:
冲击锤
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作者:
qinglang
时间:
2012-1-21 02:28
标题:
冲击锤
The hammer spring shall be such that the product of the compression, in millimetres, and the
force exerted, in newtons, equals 1 000, the compression being approximately 20 mm.
请问这段话应该怎么理解?
作者:
d60102224
时间:
2012-1-21 02:28
冲击锤的弹簧必须是能产生压力者, 并且施加压力于弹簧约被施压约20mm后至少要逹到1000牛顿之力.
不好意思, 翻的不是很好, 请见谅
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