“保持器”概念、定义、翻译-科学时代

单词	保持器
释义	市政工程词汇手册 holding device 保持器
随便看	trim trim trim trim trim trim angle trim angle of attack trim back trim by the head trim by the stern trim coil trimecaine trimeperidine trimeprazine trimer trimercuric trimeric isocyanate trimester abortion trimester system tri-met trimetaphosphate trimetazidine trimeter trimethadione trimethaphan

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

holding device