您要查找的是不是：
- ballast rheostat 镇定变阻器
- Pig iron used as permanent ballast. 压载铁做为永久性压舱物的生铁
- The ship was furnished with ballast. 船上装了压舱物。
- The ballast placed in the ship can keep the ship steady. 放在船上的压舱物可以保持船的平稳。
- The ballast may be thrown out to make the balloon go higher. 沙袋可以拋掉以使气球飞得更高。
- A variable resister is called a rheostat. 可以调节的电阻器叫做变阻器。
- A movable electrical contact, as in a rheostat. 接触电刷变阻器等内部的活动电接触器
- Arc lamps require a current-limiting ballast. 弧光灯需要一个限流镇流器。
- Not stabilized or properly stabilized by ballast. 不稳定的未用压舱物稳住的
- To fill(a railroad bed) with or as if with ballast. 铺沙石用或似用沙石铺（铁路路基）
- The rail beds well on the ballast. 铁轨在道碴上搁得很稳。
- The readiness of a vessel for sailing with regard to ballast, sails, and yards. 船的航行状态从船的压载、船帆和帆桁方面考虑看船的状况是否能够航行
- Do ballast lines pass through any cargo tanks? 有压载管穿过任意货舱吗?
- Are there anodes in the ballast tanks? 压载舱有阳极吗?
- Terminal box and ballast are fitted by customers. 接线盒、镇流器由用户选配。
- To stabilize or provide with ballast. 用压载物来稳定或支撑
- Circuit 11, series-parallel circuit (no sliding rheostat). 电路11;串并联电路图(无滑动变阻器).
- Pump out port No.1 ballast water overboard. 将左舷第1舱压载水排出船外。
- By adjusting the rheostat, one can change the current in a circuit. 通过拨动变阻器,可以改变电流。
- Collocate High efficient electronic ballast. 简介：配用高效电子镇流器。
