词汇	endoscopic picture
释义	endoscopic picture 内窥图象
随便看	single-acting relay single acting single piston rod oil cylinder single acting steam engine single-acting steam engine single acting steam hammer single-acting steam hammer single acting trunk piston type engine single-acting trunk piston type engine single acting turbocharged two-stroke engine single-acting turbocharged two-stroke engine single acting type single acting vane pump singleaction single action single-action Single-action single action black japanned spring hinge single-action clutch single action compression single-action compression single action crankless press single-action crankless press single action crank press single-action crank press single action cylinder