- 相关词组
- ultra-low temperature throttle valve超低温闸阀
- unbalanced valve不平衡的阀
- tyre valve轮胎阀
- ultrahigh vacuum valve超真空阀
- uncompensated valve无补偿的阀
- two-position three way directional control valve二位三通换向阀
- under lapped valve负遮盖的阀
- ultraviolet ionization chamber紫外电离室
- uncompensated ionization chamber无补偿电离室
- two-position valve双位阀;二位阀
- two-position four-way valve二位四通阀
- unidirectional electronic valve单向电子阀
- ultrasonic light valve超声光阀
- two-stage valve两级阀
- two-sport valve二通阀
- underground burial chamber地下墓室
- ultra-low temperature ball valve超低温球阀
- uniform-pressure-drop valve定差减压阀
- underlapped valve负遮盖阀
- underground treasure chamber地下珍宝馆
- 今日热词
- 热门搜索
- take my hand 抓住我的手;牵着我的手;握住我的手;牵我的手
- grill n.(炊具、烤炉内的)烤架;烤肉店;门窗格栅;一盘烧烤食物(尤指烤肉);烤肉餐馆v.烧烤;烧;追问;
- last year 去年;上年;去岁;
- have aux. 用以构成完成式及完成式的不定式，表示已经…;vt. 有，具有;拿，取得;从事;必须，不得不;
- golden time 黄金时间;黄金时代，青春，幸运的时光;
- businesslike adj.事务性的;公事公办的;有条理的;有效率的;
- overs n. 套鞋;额外( over的名词复数 );剩余;剩余（或多余）的量;剩余物;
- given name n.（与姓相对的）名字;
- competition n.比赛;竞赛;比赛项目;竞赛项目;竞争性原则;竞争者;角逐;
- remote sensing 遥感，遥测，远距离读出;
- trend n.趋势，倾向;规范，风尚;
- guard v.守卫;看守;保护;n.卫兵;看守;列车长;保护装置;防守姿势;警卫队;后卫;哨锋;
