- 相关词组
- secondary contact辅助触点
- safety limit switch保险总开关
- seal by direct contact of conical faces单锥无垫密封
- scanning switch扫描开关
- screw contact螺丝触点
- seadrome contact lights水上机场降落灯
- route switch进路开关[按钮,手柄]
- rewind switch反绕开关,倒带开关
- ribbon contact带状触点;带状接触
- route card switch路牌开关,路签开关
- search switch探测开关
- sampling switch取样开关
- safety contact安全接点
- satellite switch星上交换
- route setting switch进路排列开关
- safety enclosed switch密封式保险开关,金属盒开关
- route control switch进路控制开关
- second contact食既
- scleral-type contact lens巩膜型接目镜
- scleral contact lens巩膜接触镜
- 今日热词
- 热门搜索
- path n.路径; 道路; 路线; 小路; 小径; 行动计划; 成功的途径;
- ant n.蚂蚁;
- depth n.深（度）;（感情）深厚;严重性;深奥;深渊;（知识）渊博;(照片、画作等的)景深;…最严重的时候;
- novel n.小说;adj.新颖的;
- handle n.拉手;把手;有柄的;方法;v.应付;处理;使用;驾驶;拿;买，卖;
- where you are 你在哪里（歌曲名）;
- NYMEX abbr.New York Mercantile Exchange <美国>纽约商业交易所;
- comprehension n.理解力;充分了解;（听力或阅读）理解测试;
- sob v.啜泣;哭诉;n.呜咽;
- lengthen vt.& vi.延长;伸长;
- oilfield n.油田;
- forehead n.额;前部;
