【运输】水力的，追踪控制

CNC hydraulic press brake

inadjustable hydraulic coupling【油气】

hydraulic torque converter lockout【机】;hydraulic torque converter lockup【机】

mechanical screwdriver, air wrench, electric or hydraulic screwdriver,

auto hydraulic balancing sole attaching machine

follow-up hydraulic amplifier

hydraulic driven spread hopper

oil formation hydraulic fracturing【油气】