您要查找的是不是：
- thermionic vacuum ga uge 热离子真空计
- thermionic vacuum ga (u)ge 热离子真空计
- thermionic vacuum ga ge 热离子真空计
- thermocouple vacuum ga uge 热电偶式真空计
- The branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes). 电子学中有关热离子现象(特别是热离子真空管)的分支。
- the branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes) 电子学中有关热离子现象（特别是热离子真空管）的分支
- 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。
- jet ga uge 喷力计
- 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。
- fuel supply ga uge 给油计
- 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。
- plain ring ga uge 普通环规
- 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。
- thermocouple-type ga uge 热电偶式真空计
- thermocouple ga uge 热电偶仪表
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- thermionic vacuum tuben. 热离子真空管
