- 相关词组
- overhead valve cylinder架设开关筒
- butterfly valve蝶形阀;蝶阀;
- partially shrouded trickle valve部分覆盖翼阀
- oxygen cleaned valve洁净的氧阀
- oxygen fill valve充氧阀
- overhead valve顶置式气门
- packing for foot valve底阀座垫片
- pantograph valve受电弓电空阀
- pentagrid valve七极管
- packless valve非密封(装置)阀
- pedal valve踏板阀
- perforation of cardiac valve心瓣膜穿孔
- pedicle valve茎瓣
- overhead valve engine顶置气门发动机
- penis valve阳茎瓣
- pass valve直通阀
- pantograph operating valve集电弓操纵阀
- overflow valve溢流阀
- parallel valve magnet并联阀磁铁
- pedical valve腹瓣(茎瓣)
- 今日热词
- 热门搜索
- balance n.均衡，平衡（能力）;天平;余额;v.比较，权衡;保持平衡;结算;抵消;
- snookered v.使陷入困境，使受挫折( snooker的过去式和过去分词 );
- mm abbr.=megameter;=millimeter;=millimicron;int.唔，嗯（书写中表示同意、思考中、喜欢、犹豫等发出的声音）;
- comb n.梳子;发插;梳理;鸡冠;v.四处寻找;梳理;
- who pron.谁;什么人;关系代词，有先行词;孰;
- race n.赛跑;竞争;人种;民族;v.参加比赛;使比赛;快速移动;剧烈跳动;
- stiff adj.严厉的;僵硬的，坚硬的;呆板的，拘谨的;顽固的;adv.<口>极度地，非常;
- closet n.壁橱;贮藏室;adj.隐蔽的;不公开的;
- wise adj.充满智慧的;明智的;
- occur v.发生;存在于;
- cat n.猫;猫科动物;vt.把（锚）吊放在锚架上;
- least adv.最少;det. 最小的;起码;
