| 释义 |
1 ?真空室 vacuum case ==> 真空室 vacuum casting ==> 真空电流铸造机,真空模铸,真空外壳,真空吸铸,真空铸造 .. 2 ?真空箱 真空箱 depression tank; evacuated container; vacuum box; vacuum case; vacuum chamber; vacuum column; vacuum tank; vacuum tight tank 风箱调息法 the bellows breath .
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In the case of constant pipe diameter, lengthening the length of vacuum tube is an effective way to increase the total heat of solar water heater! 在管径恒定的情况下，加长真空管的长度是增加太阳能热水器总得热量的有效途径和方向！ - 2
If the electron flow takes place in a vacuum, as in the case of electronic valve, the electrons will travel at considerable speed, since little resistance is offered the medium. 如果电子在真空里流动，比如电子真空管，那么电子的运行速度非常快，因为介质对电子几乎不产生什么阻力。 - 3
If this is the case, a simple coaxial vacuum feedthrough can be used to make connections from the collector to the picoammeter. 在这种情况下，可以使用简单的真空同轴接头来进行从收集电极到皮安计的连接。
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