“stop cock”的概念、定义、翻译、参考文献-科学参考

单词	stop cock
释义	stop cock [`stäp ´käk] ^ENGINEERING A small valve for stopping or regulating the flow of a fluid through a pipe.
随便看	Protodrilidae protoenstatite Protoeumalacostraca protogalaxy protogenic protogyny protointraclast protolith Protomastigida protomer Protomonadina Protomonida protomylonite Protomyzostomidae proton proton accelerator proton acid protonate proton capture proton drip-line proton-electron-proton reaction protonema protonephridium protonic acid proton-induced x-ray emission

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。