... 真空室尺寸 Vacuum chamber size 热封尺寸 Heat size 供给电源 Voltage ...
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vacuum chamber size
真空室尺寸
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It was a small vacuum chamber, about the size and shape of a bathtub stopper, that contained a plunger and spring, and had two small air hoses attached to it.
它是一款非常小巧的真空管，形状和大小如浴缸塞，内含一个柱塞和弹簧，由两个小型空气软管连接。
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