ceiling〔名词〕洞顶,云幕,航高上限,云幕,云底高度,上升限度详细»
ceiling〔名词〕天花板,平顶,洞顶,云幕,航高上限详细»
ceiling天花板舱内衬板，舱壁护板，舱底铺板，铺板最高限度详细»
上限UB;Upper Bound;UL;Upper Limit;UPB;UPper Bound;upper bound详细»
上限superior limit;upper bound;upper limit详细»
上限superior limit;toplimit;upper high limit;upper limit详细»
上限supremum;toplimit;upper limit详细»
上限upper limit;upper bound;superior limit详细»
上限upper limit;upper bound;superior limit详细»
上限superior limit;upper bound;upper limit详细»