In this article, the author discussed the construction and running principle of the new type pneumatic wrench, expounded the design and manufacture essentials of this type pneumatic wrench.是什么意思_In this article, the author discussed the construction and running principle of the new type pneumatic wrench, expounded the design and manufacture essentials of this type pneumatic wrench.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句