您要查找的是不是:
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- 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。
- ballast suction 压载水吸入口
- Flies' feet stick to surfaces by suction. 苍蝇的脚借吸力可附着于物体表面上。
- 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。
- We'll get the water out with a suction pump. 我们将用抽水机把水抽出来。
- 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。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- Operating by means of suction or by maintaining a partial vacuum. 抽真空的用吸取的方式或用维持部分真空的方式来运作的
- Arc lamps require a current-limiting ballast. 弧光灯需要一个限流镇流器。
- Reconnect main lumen to suction source. 请将主腔管道连接吸引源。
- 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)
- Air is drawn in through reeds by suction bellows. 空气通过簧片引入吸气风箱。
- The rail beds well on the ballast. 铁轨在道碴上搁得很稳。
- What you need is a suction machine. 你需要一台吸尘器。
- 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?