automatic exercise book making machine自动练习本制造机 automatic expansion valve自动膨胀阀 automatic exposure programmed shutter 135 camera装有自动曝光程序快门的135式照相机 ..
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... automatic ejection自己主动抛出 automatic expansion valve恒压膨胀阀 automatic feed regulator自己主动喂料第器 ...
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... automatic exhaust steam valve 自动排气阀 automatic expansion valve 自动膨胀阀; 自动膨胀滑阀 automatic fuel drain valve 自动放油阀 ...
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The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
Expansion type automatic exhaust valve, no leakage.
膨胀式自动排气阀，不渗漏。
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