词汇	tooth trace
释义	tooth trace 齿轨迹,齿间曲线
随便看	protective grounding,protective earthing protective grounding system protective ground system protective group PROTECTIVE GROUPS IN ORGANIC SYNTHESIS protective groyne protective guard protective hair protective hand cream protective hardware protective hat protective head-cover protective headgear Protective Headgear Used in Bicycling Protective Headwear for Industrial Workers protective hecrosis protective helmet Protective helmets for bicycle users Protective helmets for vehicular users Protective helmets must be worn on site protective homogenization technique protective hood protective horn protective housing protective housings