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。
- Recycled materials are mostly of limited use. 再生材料大多用途有限。
- recycled ballast 循环加重剂
- 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。
- Unreacted monomer is stripped and recycled. 未反应单体经汽提后回收。
- Glass can be recycled from old bottles. 利用旧瓶子可以再生玻璃。
- The old shop has been recycled as a hotel. 这座老商店已改建为旅馆。
- 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。
- This envelope is made from recycled paper. 这信封是用再生纸制作的。
- 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
- A recycled process may not be paused. 不能暂停回收进程。
- Do ballast lines pass through any cargo tanks? 有压载管穿过任意货舱吗?
- How does HP ensure it's product are recycled? 惠普如何确保其产品的循环再生?
- Are there anodes in the ballast tanks? 压载舱有阳极吗?
- How samples are recycled to the process. 样品如何回收。
