gas ballast roughing-holding pump的意思|示意
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气体镇流器粗压泵
gas ballast roughing-holding pump的网络常见释义
气镇粗抽泵 ... gas ballast pump ==> 气镇泵,载气泵 gas ballast roughing-holding pump ==> 气镇粗抽泵 gas ballast valve ==> 气镇阀 ...