英语词汇“bottom-hole safety valve”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	bottom-hole safety valve
释义	bottom-hole safety valve 井底安全阀
随便看	transition order transition part transition path Transition-period transition period transition period decay transition phase transition phenomenon transition piece transition pipe transition pipeline transition pit transition plan transition planning and support transition-point transition point transition points transition polarization transition polymerization transition position transition potential transition probabilities transition probability transition probability law transition probability matrix 但觉高歌有鬼神但试把一纸寄来书但话宿昔伤怀抱但赢得但远山长但连环不解但道困苦乞为奴但遗爱但长风浩浩送中秋但门外清流叠嶂たちばな【橘】たちばなしたちばなし【立ち話】たちばなづきたちばなづき【橘月】たちばんたちばん【立ち番】たちふさがるたちふさがる【立ち塞がる】たちふるまい