1) pitch chain
量口径链
2) measuring aperture
测量口径
3) cal
[英][kæl] [美][kæl]
直径，口径，量规
4) calibrater
口径测量器
5) Large-bore flow-measurement
大口径流量测量
6) heavy caliber flowing meter
大口径流量计
1.
At present,water supply enterprises cannot carry out periodical testing of their heavy caliber flowing meters because of inconvenient dismantling or being unable to cut of water supply,so on-the-spot testing has become a problem demanding prompt solution.
目前,供水行业在线使用的大口径流量计,大多由于不能停水检测及不方便拆卸等原因,难以做到按期进行周期检定。
补充资料：次大口径成品油管道(见大口径原油管道)
次大口径成品油管道(见大口径原油管道)
small big inch products pipeline
次大口径成品油管道比m“，。彬duet、pipeline)见大。径原油管道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条