单词	分五擺食
释义	同DOSE
随便看	gear tooth calipering machine gear tooth coliper gear tooth gage gear tooth gauge gear tooth micrometer gear tooth vernier caliper gear-tooth vernier caliper gear tooth vernier calliper gear tooth vernier gauge gear train gear train geartrain gear transmission gear turbine gear-type gear type pump gear-type pump gear type transmission gear unit gear up gear--up gear-up gear up for gear uplock gear view window