单词	shoulder belay
释义	shoulder belay 肩保护栓
随便看	fuel injection quantity control fuel injection quantity per cycle fuel injection rate fuel injection rate curve fuel injection retarding device fuel injections fuel injection starting compression pressure fuel injection system fuel injection systems Fuel-injection teehnology amount control fuel injection throttle nozzle fuel injection timing Fuel-injection timing control fuel injection timing handle fuel injection, two-stroke engine fuel injection valve fuel-injection valve fuel injection valve cooling pump fuel injector fuel-injector fuel injector adjusting nut fuel injector adjusting screw fuel injector body fuel injector cap fuel injector combustion engine