“back check”的概念、定义、翻译、参考文献-科学参考

单词	back check
释义	back check [`bak ´chek] ^{DESIGN ENGINEERING} In a hydraulic door closer, a mechanism that slows the speed with which a door may be opened.
随便看	supplementary angle supplementary condition supplementary group supplementary units supplied-air respirator supply control supply current supply point supply voltage support support base support-coated capillary column supported end support function supporting artillery supporting fire supporting weapon suppository suppressed carrier suppressed-carrier modulation suppressed-carrier transmission suppressed-zero instrument suppression suppression shield suppressor

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