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

单词	optional facility
释义	optional facility [计] 任选设施
随便看	tree saver tree scale treescape treescapes tree schema tree scheme tree scheme (radial system) tree science Tree-scriber tree seaching tree seal tree sea-lavender tree search tree-search tree search algorithm tree-search algorithm tree search and insertion program tree search for an immobile hider tree searching tree seed tree-seed drill tree seed drill tree seedling? tree seedling tree seedlings 渐觉一叶惊秋渐觉云海沈沈渐觉伤春暮渐觉形容渐觉虽悔难追渐解狂朋欢意少渐近燕山渐近赏花时节渐连营马动渐迤逦工力工匠工区工单工卡工厂工友工号牌工商工商联