英语词汇“ceiling opening frame”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	ceiling opening frame
释义	ceiling opening frame 物墙洞、天花板开口；墙壁开放结构；天花板开放结构
随便看	neutral insulin neutral insulin injection neutral interconnect neutral interface neutral intermediary neutral interval neutral invention neutral iodine neutral ion neutral ion injector neutral-ion interaction neutral ionized stream neutralist nation neutralists neutralite neutralities neutrality neutralisation neutralisation distancy neutralisation reaction neutralisation reactions neutralisations neutralisation tank neutralisation test neutralisation thought