n.井口；水源；泉源

Affective wellhead was bred to be polychrome life and sincere life! 情感的水源，孕育了多彩的生活，至誠的生命！

The coordinated water-injection flowsheet means a series of water conditioning flowsheets from water source well or oil processing plant to water injection wellhead. 一條龍注水工藝流程，是指從水源井或油區(qū)來水至注水井口的一系列水質(zhì)處理注水工藝流程。