英语词汇“retention system”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	retention system
释义	retention system 留系统，保留系统
随便看	category of singularity category of softness category of soil category of soil classification category of spaces category of speech category of subjective evaluation category of tax category of the law of value category of topological spaces category of traction category of traffic category of trains category of vector space category of vector spaces category of vessel category organization category rating scale category sales category scale category (soil) category-specific category symbol category synonym category theory 反眼若不相识反穿大皮袄，装羊反者道之动，弱者道之用反脸不相识反裘而负薪，爱其毛，而不知其皮尽也。反说反有理，正说正有理反贴门神不对脸反贴门神，不对脸反贴门神，左右难反身修德井口边草井台井台儿井喷井圈井场井壁井宿井底井探