SCD developed the first vacuum etching machine in China, with vacuum flood bar in the etching chamber; no pool effect; etching factor is up to 4.0.
SCD开发了中国国内第一台真空蚀刻机，蚀刻室内加装真空水刀，从根本上解决了水池效应，蚀刻因子提高到4。0以上。
Vacuum system is important to the turbines economy operation, and vacuum tightness is the main factor that affects vacuum of steam turbine.
汽轮机真空是汽轮机经济运行的关键，真空严密性是影响汽轮机真空的主要因素。
Reliability of the sealed vacuum tube is very important, and the main factor that affects reliability is its vacuum degree.
密封真空管的可靠性尤其重要，影响其可靠性的主要因素是真空度。
It's concluded that the contact closing force as a part of the original power for closing is also an important factor affecting the closing bouncing of vacuum circuit breaker.
提出作为合闸原动力一部分的触头自闭力也是影响真空断路器合闸弹跳的一个重要因素。
In the vacuum system, the heat radiation is the main factor to affect the temperature of each point of the filament in area source electron gun.
在真空系统中，热辐射是影响面源电子枪灯丝各点温度的主要因素。
In the vacuum system, the heat radiation is the main factor to affect the temperature of each point of the filament in area source electron gun.
在真空系统中，热辐射是影响面源电子枪灯丝各点温度的主要因素。
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