“double-acting”的概念、定义、翻译、参考文献-科学参考

单词	double-acting
释义	double-acting [¦dǝb·ǝl `ak·tiŋ] ^{MECHANICAL ENGINEERING} Acting in two directions, as with a reciprocating piston in a cylinder with a working chamber at each end.
随便看	continental code continental crust continental deposits continental displacement continental divide continental drift continental geosyncline continental glacier continental growth continental heat flow continental high continentality continental margin continental mass continental nucleus continental plate continental plateau continental platform continental polar air continental rise continental shelf continental shield continental slope continental terrace continental tropical air

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。