A new drill which is being tested at Leona Valley Ranch is driven by a turbine engine which is propelled by liquid mud pumped into it from the surface.是什么意思_A new drill which is being tested at Leona Valley Ranch is driven by a turbine engine which is propelled by liquid mud pumped into it from the surface.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句