A.給棉長(zhǎng)度短,梳理效果好,落棉較多,產(chǎn)量低 B.給棉長(zhǎng)度長(zhǎng),梳理效果好,落棉較多,產(chǎn)量高 C.給棉長(zhǎng)度短,梳理效果差,落棉較多,產(chǎn)量低 D.給棉長(zhǎng)度長(zhǎng),梳理效果差,落棉較少,產(chǎn)量高
A.靜止 B.順轉(zhuǎn) C.倒轉(zhuǎn) D.先倒轉(zhuǎn)后順轉(zhuǎn)
A.向前運(yùn)動(dòng) B.向后運(yùn)動(dòng) C.先向后在向前運(yùn)動(dòng) D.靜止