sampling cock是什么意思

用法例句

In production, the sampling valve is easy to be clogged, which is the main factor of impeding the smooth sampling and time laboratory analysis.

生产中取样阀易堵塞是阻碍顺利取样和及时化验分析的主要因素,为解决这一问题,介绍了一种防堵取样阀,它适合于对各种流体的取样。