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vacuum gauge真空计,真空表详细»
vacuum gauge〔名词〕真空计;n.真空计,真空表详细»
真空计vacuometer;vacuum gauge;vacuum meter;vacuummeter详细»
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真空计vacuometer;vacustat;vacuum gauge;vacuum meter;vacuumgauge;vacuummeter;vacuumometer详细»
真空计vacuometer;vacuum gauge;vacuumgauge;vacuummeter详细»
真空计vacuometer vacustat vacuum gauge vacuum meter vacuumometer详细»