设备维护保养制度中三见是什么？
参考答案：
沟见底、轴见光、设备见本色。
Q235-B钢板可以用来制造毒性程度为高度危害介质的压力容器。
翻译句子
He told me I wouldn't pass the test but I'm determined to make him swallow his words.
