non - return valve
un. 止回阀；单向阈
[网络] 逆止阀；单向阀；单向截止阀
热门查询
- unto prep. 到，直到；向（等于to） n. (Unto)人名；(芬)温托
- approx adv. 大约，大概
- blimp n. 顽固的保守分子；软式小型飞船；隔音罩
- muralist n. 壁画家
- mustache n. 胡子，髭
- statecraft n. 治国才能；管理国家的本领
- wilson n. 威尔逊（姓氏）
- amulet n. 护身符，避邪物
- distribute vt. 分配；散布；分开；把…分类
- skeptically adv. 怀疑地
- conceptually adv. 概念地
- social security n. 社会保障金（政府定期向贫穷、失业、患病等人发放） [网络] 社会保险；社会安全；社会安全福利
- shoulder n. 肩，肩膀；肩部 vi. 用肩推挤，用肩顶 vt. 肩负，承担
- exigent adj. 迫切的；紧急的；苛求的
- pleasurably adv. 欢愉地；快乐地
- racism n. 种族主义，种族歧视；人种偏见
- reducible adj. [数] 可约的，可化简的；可还原的；可缩小的
- barbaric adj. 野蛮的，粗野的；原始的
- aetiology n. 病因学；[基医] 病原学；原因论
- forty n. 四十 adj. 四十的；四十个的
考试词汇表
- oil injection coupling
- oil insulated terminal
- oil interrupter switch
- oil loading by pumping
- oil loading facilities
- oil lubricated bearing
- oil lubricating piping
- oil lubricating system
- oil lubricating tissue
- oil of juniper berries
- oil of levant wormseed
- oil palm sterilization
- oil piping arrangement
- oil pollution incident
- oil pollution residues
- oil potential analysis
- oil pressure indicator
- oil pressure regulator
- oil pressure reservoir
- oil producing interval
