对大批量进厂试件的目视检测必须()
A、逐一核对试件号
B、请仓库保管员清点数量
C、请质量控制人员核对试件号
D、核对批号和数量
参考答案:D
After school we went to the reading-room to do some reading, only to be told that it ____________.
A.was decorated
B.had decorated
C.had been decorating
D.was being decorated
某工厂新增加了电镀生产工序,下月投入使用,准备明年初对危险源/环境因素进行重新识别与评价。上述情况适用于()