dual meter [仪] 双重表
Dual Display Meter 双显万用表
Dual Digital Flow Meter 双通道数字流量计
dual pressure meter 双压力计
dual-head d meter 双头流量计
dual gamma multiphase flow meter 双能γ多相流量计
It is the first time in China that a dual flange differential pressure intelligent meter of us Honeywell Co. make has been used for the measurement of oil water interface.
在国内首次选用美国霍尼韦尔双法兰差压变送器智能表测量油水界面，用计算机实现闭环控制，取得满意效果。
The dual against hydrosphere oak rubber or plastic rings, may cause it better rainproof and 1 meter above complete waterproofing.
双重防水圈橡胶圈，可以使其更好的防雨与1米以上的完全防水。
The user installs a dual check back flow preventer at the water meter as prescribed by the supplier of safe drinking water.
用户要由安全饮用水供应商在水表处安装法定的双止回防回流阀。
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