用手摇泵将系统增压'至150baro
A.Pressurize the system to 150 bar with the hydraulic pump. B.Pressurize the system to 150 bar with the hand pump. C.Pressuring the system to 150 bar with the hand pump.正确答案B
用手摇泵将系统增压'至150baro
A.Pressurize the system to 150 bar with the hydraulic pump. B.Pressurize the system to 150 bar with the hand pump. C.Pressuring the system to 150 bar with the hand pump.正确答案B