入库操作的英文：
in-stockroom operation

stockroom是什么意思：
n. 商品储藏室

You can walk to the stockroom to see if there's any toner cartridge left.
你可以到储藏室看看墨粉盒有没有剩。

Some office workers constantly pilfer pencils from the stockroom
有些办事员常顺手牵羊，私自拿走贮藏室里的铅笔。

operation是什么意思：
n. 运转；行动；手术；运算

The operator O is the null operator.
算符O是零算符。

They are computer operators.
他们是计算机操作员。

monitor operator
之声监听员

It is a major operation. It is a very messy operation.
这是大手术，难度很大。

Has operator received pump instruction and operations manual?
操作者是否收到泵说明书和操作手册?