- 相关词组
- manual stop valve手动止动阀
- admission valve进气阀，进浆阀;
- breast pumpn.抽乳器，吸乳器;
- manic-depressive psychosis mixed type躁狂抑郁性精神病混合型
- air valven.通气管之活瓣;气阀;风阀;
- board type insulant板状绝热材料;
- main starting air valve主起动空气阀
- main steam valve主蒸汽阀(空气压缩机)
- maintaining valve保持阀
- adjusting valve调节阀
- hydroseal pump水封泵
- main slide valve主滑阀
- angle valve角阀;
- manual globe valve手动截止阀
- main control valve主配压阀
- box frame type reinforced concrete construction箱形框架式钢筋混凝土结构;
- android type男型;
- bracket type retaining wall扶垛式挡土墙;
- main distributing valve主分配阀
- makeshift valve变向活门;变向阀
- 今日热词
- 热门搜索
- relieve vt.解除;缓解;换班;（去厕所的一种委婉说法）方便;
- earnest adj.热心的;诚挚的，真挚的;重要的;
- mandatory adj.强制的;强制性的;法定的;义务的;命令的;受委托的;n.受托者
- cinema n.电影院;电影业;
- 快递查询 express delivery tracking;Express delivery
- directory n.人名地址录，（电话）号码簿;（计算机文件或程序的）目录;
- numb adj.麻木的;迟钝的;v.使麻木;
- reputation n.名誉，名声;
- homepage n. （互联网的）首页，主页;
- theater n.剧场;戏剧界;戏剧效果;[军]战区;
- medicine n.医学;药物;药;(尤指)药水v.下药
- passport n.护照;途径，手段;
