入口动压降 dynamic depression head
井口流动压力 well head flowing pressure
液压驱动舱口盖 hydraulic-driven hatchcover
电动液估压式舱口盖 electro-hydraulic hatchcover
井口动压 flowing wellhead pressure
自动真空减压口 Automatc vacuum relief port
滑动窗口压缩 sliding window compression
液压驱动舱口 hydraulic-driven hatch cover
液压动力坡口加工机 pipe facing ma-chine
应用推荐