【运输】水利的，气动的【运输】水力，风力

具备运用液压、气动和电子器具的知识。

hydraulic copying head【机】;hydro-tracer head【机】

hydraulic machinery

inadjustable hydraulic coupling【油气】

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

hydraulic rope-geared elevator【机】

mechanical screwdriver, air wrench, electric or hydraulic screwdriver,

hydraulic platform

energy, electric, hydraulic, pneumatic