2.Secondly, the buyer should give the seller seasonable notification of rejection;
其次,买方应给予卖方合理的拒绝接受通知;
5.Ash layers above normal for a long time, ash is not seasonable, missed a thoroughly furnace, balance firmness and total height beyond the normal range.
灰层长时间高出正常值,除灰不及时,没有按时透炉,均衡松紧度和总层高度超出正常范围。