ground-key valveplug valve栓塞: embolism阀: established house or power g ...塞阀: [设计] plug valve; plugcock栓塞: [医学] embolism 肺栓塞 pulmonary embolism; 静脉栓塞 venous embolism; 脑栓塞 cerebral embolism闭塞阀: blocking valve下载手机词典可随时随地查词查翻译
