- 相关词组
- diaphragm valve膜板阀;隔膜阀;针阀;给水调整阀;
- Plug valve旋塞阀；塞阀；柱塞阀
- working valve工作阀
- spherical valven.球形阀;
- stop valven.停止阀，闭塞阀;主汽阀;截门;
- drain valve排水阀，泄水阀;
- pressure reducing valve[铁道][给水]减压阀;
- globe valve球心阀;
- wing valve圆盘导翼阀
- proportional valve比例阀，定量阀，配合阀;
- xenograft heart valve异种材料心脏瓣膜
- regulating valve控制阀，调节阀;
- wing valve assembly翼阀总成
- compression release valve减压阀;
- heart valve心脏瓣膜；人工心脏瓣膜；心瓣；心瓣膜
- pressure reduction valve减压阀;
- cock valve旋塞阀
- pressure release valve减压阀，安全阀，保安阀;
- electromagnetic valve电磁阀;
- heart valve prosthesis人工心脏瓣膜
- 今日热词
- 热门搜索
- draft n.草稿;征兵;汇票;运动员选拔;v.起草;征召…入伍;选拔进职业队;选派;
- minimum adj.最小的;(数量)极少的;adv.最低;
- absence n.缺席，缺勤;缺乏，缺少，无;心不在焉，不注意;
- construction n.建造（方式）;施工;建筑（物）;结构;创立;解释;
- outdoor adj.户外的;室外的;
- boil n.煮沸，沸腾;疔，疖子;[医]疡肿，脓肿;vt.& vi.（使）沸腾，开;
- let v.允许;许可;让;要;假设;出租;n.擦网球;出租;
- plot n.阴谋;情节;一块土地;v.图谋;计划;设计情节;标绘出位置;绘制;
- technology n.科技;技术性机器;
- suspicious adj.可疑的;猜疑的，怀疑的;多疑的，不信任的;多心;
- delay v.推迟;耽误;磨蹭;使迟到;n.延期;耽误;
- proposal n.提议，建议;动议;求婚
