球阀取样器 [
qiú fá qǔ yàng qì]
[油气] ball valve sample chamber
- 首先回顾了国内保压保温取心器相关研究现状,然后从PCS取样腔内部球阀和O型圈等密封结构的特点分析了其内部上、下两部分的密封技术。
Internal sealing technologies of PCS are analyzed from the upper and lower seals of the sample chamber, which include some seals, such as the ball valve and O-rings.