The lubricator contains a tight-fitting rubber or bag preventer that prevents fluid loss and is held together with quickunion.
防喷管包括一个紧配合的橡胶或筒式防喷器，以防止流体散失并可用快速装卸由壬连接在一起。
2
Our children arrived in quick succession, we traveled to all 50 states in the Union (though I can't specifically remember North Dakota), I got a record deal, lost a record deal, and got another one.