tractive造句 (31) Many formulas appeared in literature since DuBoys(1879)presented his tractive force relation. (32) The first piece is about the tractive calculation on railway trestle. (33) Through the drive axle housing, the tractive force, braking force and lateral force act on the wheel transfer to the suspension system, frame or carnage.英文造句gadfustyfiefibthearchyrachel carsonMileshave nothing to do withtrade associationcheerfulnessbreathedentrancedprofessional organizationprankdo overcertificate of incorporationdo outdo or diesole proprietorshipbusiness organizationadaptionantitrustanorexiaseismographencumberedhanoibugscheck up onreducible