“air puncher”的概念、定义、翻译、参考文献-科学参考

单词	air puncher
释义	air puncher [`er ´pǝn·chǝr] ^ENGINEERING A machine consisting essentially of a reciprocating chisel or pick, driven by air.
随便看	diode transistor logic diode-triode diode voltage diode voltage regulator diodide dioecious d-i offset system diogenite dioic diolefin diolefin hydrogenation Diomedeidae -dione Dione diophantine analysis diophantine equations Diopsidae diopside dioptase diopter dioptometer dioptric dioptrics diorchism diorite

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