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居民饮用水计量仪表安全规则
Household meters for cold potable water safety regulations
价格：￥0.00
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潜水电磁流量计
Submersible electromagnetic flowmeter
价格：￥0.00
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IC卡冷水水表
Integrated circuit card water meter
价格：￥0.00
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超声多普勒流量计
Ultrasonic Doppler flowmeter
价格：￥0.00
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水量计量仪表 均速管流量计
Averaging speed flow meter for metering devices of water supply quantity
价格：￥0.00
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工作玻璃浮计检定规程
Verification Regulation of Working Glass Hydrometers
价格：￥0.00
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