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【机械工程】防护方法【机械工程】防卫工具

means of defence

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相关词条

务必，一定，千方百计

by all means

cut off all means of retreat

用某种办法

by some means or other

方法, 手段, 工具, 财产, 收入

means

means

n.方法,手段

means

决不，一点，也不

by no means no means

用；以；依靠(某种方法，工具，工艺等)/作为;当作;经由

by means/way of

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