- 相关词组
- needle valven.针形阀，针状活门;
- BUTTERFLY VALVE蝶形阀;蝶阀;
- angle valve角阀;
- thief sampling容器内指定部位取样
- three-cylinder locomotive valve gear三气缸式机车阀动装置
- temperature control valve温度控制阀
- altitude valve水位控制阀，高度节流阀
- aortic valve主动脉瓣;
- gate valve闸式阀，闸门阀;阀式管;
- thermally-tuned valve热调管
- thermoplastic light valve热塑光阀;热塑料光阀
- thermostatic control valve恒温调整器
- testing valve试验阀
- air valven.通气管之活瓣;气阀;风阀;
- mitral valve prolapse二尖瓣脱垂;
- air sampling空气取样;
- territorial sampling区域抽样
- bleeder valve[化] 泄放阀;
- isolation valve[化] 隔离阀;
- threaded valve stem螺栓阀杆
- 今日热词
- 热门搜索
- information n.消息;数据;问讯处;
- gray n.灰色;灰马;灰色颜料;暗淡的光线;adj.灰色的;灰白头发的;阴暗的;（指脸因恐惧、生病等）苍白的;
- singer n. 歌手;歌唱家;诗人;鸣禽;
- NYMEX abbr.New York Mercantile Exchange <美国>纽约商业交易所;
- civil adj.国民的;民用的;政府的;民事的;斯文的;有礼貌的;客气的;
- burden n.负担;重负;v.烦扰;（使）担负;
- worse adj.更差的;更严重的（bad, ill的比较级）;adv.更糟（的是）;更严重（badly的比较级）;
- nineteen num.十九;十九个;第十九;n.十九岁;十九点钟;
- STFU 嘴巴闭到；闭嘴；狂拽星少；需努力；屈服技
- proof n.证据;证明;检验;证实;求证;验算;校样;（酒的）标准酒精度adj.防/抗…的;能抵御;能防范;可防护;
- the rain 雨;下雨;雨滴
- moral n.道德;寓意;adj.道德的;道义上的;有道德的;能辨是非的;
