词汇	Heavy metal residue
释义	Heavy metal residue 重金属残留
随便看	speed control by voltage variation speed control chute speed control circuit Speed Control Circuits speed control, contactor control speed control crystallization speed control dc motor speed control device speed-control device vehicle speed control disc speed control, drive roller mill speed control equipment speed control gear speed control governor speed control handle speed control hump speed-control hump speed-control humps speed-control, hydraulic speed-control hydrolysis crystallization method speed control knob speed controllar speed controlled by converter speed controlled motor speed-controlled spark