什么叫永续盘点？
参考答案：
全年不间断的清点库存，每天核对一部分库存物资叫当日存收发动态的库存物资情况称为永续盘点。
_____________late, he also forgot his books．
A．Not only the boy turned up
B．Not only the boy turned out
C．Not only did the boy show out
D．Not only did the boy show up
制冷空调设备的压缩机检修准备工作和注意事项有哪些？
