1) normal failure period
正常失效期
2) improper failure and damage
非正常失效
4) abnormal failure
异常失效
5) abnormal period
非正常期
1.
Since the clear and neat cavity profile of aluminum electrolysis cell is the prerequisite to high efficient and stable operation of cell,the paper mainly sets forth the importance and indicates that better cavity profile of cell depends on the reasonable keeping of technical conditions under abnormal period and the maintenance under normal production.
良好炉膛建立取决于非正常期技术条件的合理保持,正常生产期间规整炉膛的保持和维护。
补充资料：失效期
失效期
指某一制品超过了有效限定期限，此种制品不能再使用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条