Application of downhole hydrodynamic propulsors solves the problem of exerting WOB, and are helpful to enhancing penetration rate.是什么意思_Application of downhole hydrodynamic propulsors solves the problem of exerting WOB, and are helpful to enhancing penetration rate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句