【简答题】公路洒水车的供水压力一般达( ) Mpa ,一般用于公路施工、养护作业;而清洗车是利用高压水泵产生的( ) MPa 高压水,通过车前清洗架的特制喷嘴,在车的前方形成一道水帘,从而冲洗路面。
【单选题】“荷花”牌洗衣机出口到下列哪个国家需要更换牌名
【单选题】None knows if _______ that boy, but if _______ him, her parents will be disappointed.
A.
she will marry, she will marry
B.
she marries, she marries
C.
she will marry, she marries
D.
she marries, she will marry
【单选题】“荷花”牌洗衣机出口到下列哪个国家需要更换牌名()
【单选题】She knows how to make full use of her time and her parents never put __________on her to work hard. [ ]
【判断题】用MLINE多线命令只能同时绘制两条线。