重写句子：We slipped on the road when we could see no lights in the heavy rain that night.(periodic sentence)
When we could see no lights in the heavy rain that night, we slipped on the road.
暂无解析
对于腔状结构的工件前处理时易采用浸渍处理。
抹楼梯踏步时，阳角一定要跟斜线。
微生物性食物中毒多发生于
掺入淀粉或米汤的乳加入碘液后呈现蓝色。
剖面剖切符号采用细实线绘制。
