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

单词	single-line subsurface safety valve
释义	single-line subsurface safety valve 单线控制井下安全阀
随便看	coal extraction coal extracts coalface coal-face coal face coal face flooding coal face machinery coalfaces coal-faces coal face supervision coalface support coal face survey coal face undercutting coal-face winning aggregate coal facies coal factor coal-factor coal fall coal fat coal feeder coal feeder floor coal feed point coal feed regulator coalfield coal-field 没有金钢钻，不敢揽磁器没有金钢钻，别揽瓷器活没有锯不倒的树没有闲钱补笊篱没有雪鸡的山谷，狐狸不来；没有草籽的山丘，田鼠不打洞没有高山，不显平地没有高山，怎见平地没有高山，显不出平地没有鸡蛋，就做不了槽子糕了没有鸡蛋，就做不了槽子糕啦？びたいちもんびたいちもん【鐚一文】びたせんびたせん【鐚銭】びたみんびたーびだくおんびだくおん【鼻濁音】びだんびだん【美談】