您要查找的是不是：
- 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 washer for preventing leakage is broken. 那个防漏的垫圈坏了。
- ballast leakage 镇俩电
- 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。
- ballast leakage resistance 镇流漏泄电阻,镇俩泄电阻
- 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。
- 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）
- Threads can corrode and cause leakage. 螺纹可能被腐蚀并导致泄露。
- Leakage is the trickiest problem in sealing system. 漏！是密封系统中最为头痛的问题。
- The rail beds well on the ballast. 铁轨在道碴上搁得很稳。
- Blind-hole lower bushing prevents leakage. "盲孔"下部衬垫能够防止泄漏。
- I think risk of leakage suit our consignment. 我认为渗漏适合于我们这批货。
- 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
- This check does not simulate a seal leakage. 这个测试并不等同于密封泄漏。
- 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。
