1) heavy-caliber water gauge
大口径水表
1.
This article has discussed in detail the causes of measuring errors of heavy-caliber water gauges with little flow,and proposed some measures to improve accuracy to control leakage and loss considering their state.
文章详细探讨了大口径水表在小流量下产生计量误差的原因,并结合使用现状,提出了以提高计量准确性来控制漏损的对策和措施。
2) Large-diameter well pumping
大口径抽水
3) large-diameter well
大口径水井
4) big gun
大口径水炮
5) LDH = large diameter hose
大口径水带
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