sheltering是什么意思

用法例句

The cartons with film defects would be rejected at the entry of the S-shape lifter without stopping the packing machine.

该装置由反射式光纤传感器、对射式光纤传感器、条盒同步传感器、条盒移位传感器和PLC组成,经检测有透明纸缺陷的条盒卷烟可在S型提升机入口处被剔除。