- 相关词组
- ball valve球阀，弹子阀;
- BUTTERFLY VALVE蝶形阀;蝶阀;
- pedal-rod return spring踏板杆回动弹簧
- admission valve进气阀，进浆阀;
- bicuspid valve二尖瓣；二尖瓣，僧帽瓣
- pedical valve腹瓣(茎瓣)
- box springn.弹簧床垫;
- altitude valve水位控制阀，高度节流阀
- employee safety and health员工安全和健康;
- special purchases for the Spring Festival年货；办年货
- gate valve闸式阀，闸门阀;阀式管;
- angle valve角阀;
- air springn.（象弹簧一样起减震作用的）气垫;
- penis valve阳茎瓣
- air valven.通气管之活瓣;气阀;风阀;
- check valven.止回阀;
- ensure safety保安;
- perched spring滞水泉
- safety officersn.[体]安全员( safety officer的名词复数 );
- pedestrian safety devices行人安全设施
- 今日热词
- 热门搜索
- prejudice n.偏见;v.使有成见;损害;
- paragraph n.段落;
- tly abbr.tally 符木（古时用，上有刻痕记载交货，欠款等的数量）;记账;得分;标记牌;
- amusement n.娱乐;游戏;文娱活动;
- wire n.金属丝;电线;铁丝网;v.给…布线;打电报;电汇（款）;
- thin adj. 薄的;瘦的;稀少的;细的;vt. 使瘦;使淡;使稀疏;
- EMBA n.EMBA英文全称为Executive Master of Business Administration;直译为高级管理人员MBA.它是由芝加哥大学管理学院首创。读EMBA的学员一般由公司推荐;利用业余时间集中上课;课程内容广泛;
- chalk n.粉笔，白垩;v.用粉笔画（或写）;
- winrar 解压;压缩包;解压软件
- continent n.大陆;欧洲大陆;
- dessert n.甜点，甜品;
- medicine n.医学;药物;药;(尤指)药水v.下药
