【机械工程】机器、引擎【机械工程】机器、引擎

machine manufacturing

multiple contact high-pressure molding machine

ring-shaped indexing table machine tool

tracing machine

washing machine with stationary receptacles and drying means

milanese flat warp-stitch knitting machine

positive-displacement machine or engine

jar ramming machine【冶】;jolt moulding machine【冶】