單項(xiàng)選擇題

(GTM)牽引車總質(zhì)量的計(jì)算公式是()

A.(GVM)總質(zhì)量+(TM)牽引車質(zhì)量-(RM)減少質(zhì)量
B.(GVM)總質(zhì)量-(TM)牽引車質(zhì)量-(RM)減少質(zhì)量
C.(GVM)總質(zhì)量+(TM)牽引車質(zhì)量+(RM)減少質(zhì)量
D.(GVM)總質(zhì)量-(TM)牽引車質(zhì)量+(RM)減少質(zhì)量

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