单词	headteachers
释义	同headteacher
随便看	contactor equipment contact organ contact organs contactor group contactor-- mixer-settler contactor panel contactor relay contactors contactor sequence contactor servomechanism contactor starter contactor， mixer-settler contactor， powered contactor， pump-mix box contact oven contact overload capability contact over travel contact overtravel contact pad contact panel contact paper contact parting time contact period contact person contact person's address