微波处理对食品中维生素的影响是( )。
A．维生素C大量损失B．维生素B1、维生索B6不能保存C．维生素C增加D．易导致维生素缺乏
参考答案：D
You have to take some necessities such as ropes, a flash, boots, ______ you may get lost in the mountain if going hiking.
A．so that
B．in order that
C．now that
D．in case
简述YB45包装机“第六轮至第七轮阻塞”故障的显示条件、产生的原因及排障措施。
