生产延迟的基本原理是______。A．有效的风险预测 B．保证产品数_爱下问搜题

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问题单项选择题

生产延迟的基本原理是______。

A．有效的风险预测

B．保证产品数量的准确性

C．准时化

D．地理延迟

答案

参考答案：C

单项选择题

Our flight to Guangzhou was ________by a bad fog and we had to stay much longer in the hotel than we had expected.

A．delayed

B．adjourned

C．cancelled

D．preserved

问答题简答题

有关体育起源的四种学说。