能。干活要用巧劲, 借用杠杆原理。

来源: QinHwang 于 2022-09-09 07:40:46 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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能。 干活要用巧劲, 借用杠杆原理。