在柴油机中,改变喷油泵柱塞与柱塞套的相对位置,则可改变喷油泵的()
A.供油时刻
B.供油压力
C.供油量
D.喷油锥角
参考答案:C
输往美、加等国木质包装货物,应在盛装货物前报检木质包装,检验检疫机构出具熏蒸/消毒证书。( )
I___________ some clothes to charity because they are too small for me.
A.take after
B.hang out
C.give away
D.put off