词汇	main screw
释义	main screw 主螺杆
随便看	cobaltiiioxide hydrate cobalt iii oxide hydrate cobaltiiiperchlorate cobalt iii perchlorate cobaltiiiselenate cobalt iii selenate cobaltiiiselenide cobalt iii selenide cobaltiiisulfate cobalt iii sulfate cobaltiiisulfide cobalt iii sulfide cobaltiiitartrate cobalt iii tartrate cobaltiilinoleate cobalt ii linoleate cobaltiimetaarsenite cobalt ii metaarsenite cobaltiimetasilicate cobalt ii metasilicate cobaltiioleate cobalt ii oleate cobaltiiorthoarsenate cobalt ii orthoarsenate cobaltiiorthophosphate