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单词
labor-saving machinery
释义
labor-saving machinery
简明释义
劳力节省机械
双语例句
1
In these departments a practised handicraft was eliminated by the steady introduction of
labor
-
saving
machinery
—the lathe, the scroll-saw, the planing machine, the power loom;
这方面之手艺匠人,日为机械所代替——如车机、车钻、刨机、织机等,而这些机械工作都是无须设计的。
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optical cements and adhesives
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optical center of lens
optical center
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optical centre
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更新时间:2025/8/2 5:30:15