您要查找的是不是：
- Cold-wall transfer line of vacuum heater 冷壁减压转油线
- Once installed, this heater operates automatically. 一旦安装好以后，这加热器就会自动地运行。
- This heater needs a new element. 这个加热器需要一组新电阻丝。
- 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。
- The heater in my car doesn't work properly. 我汽车里的暖气设备出了点毛病。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Keywords soft coulumn deodorization system;filling packed deo do rization tower;disc deodorization tower;vacuum heater;vacuum economizer;chemical refining;physical refining; 软塔脱臭系统;填料塔;塔式盘;真空加热器;真空节能器;化学精炼;物理精炼;
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- You'll run up a huge gas bill if you leave the heater on. 热水器要是总开著，煤气费就很高了。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- vacuum heater 真空加热器
- Adopted quick heat and long life ceramic heater. 采用快速升温及长寿命陶瓷发热芯。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- The heater can give off much warmth. 加热器能散发出热能。
- We could not pull apart two plates which enclosed a vacuum. 如果两个盘子间是真空，我们就无法将它们分开。
