要點(diǎn): (1)小時(shí)產(chǎn)量的計(jì)算; (2)日產(chǎn)量的計(jì)算; (3)作業(yè)率的計(jì)算; (4)單產(chǎn)量 辦法: (1)提高拉速 (2)提高作業(yè)率