指引线的箭头应指向公差带的宽度方向或直径方向。
A. 对
B. 错
Complete the sentences with words from the boxes.inbyduebecausewill1_________2040, I think humans will have walked on Mars.2.This phenomenon is __________to a wide range of factors.3.The chart predicts that by the year 2060,the country's public transportation network_________ be modernized.4 _________as little as 20 years, coffee could become a luxury.5.This is probably __________of increasing levels of literacy around the world.
当某些库存承担起国家的安全使命时,这些库存通常被称为( )。
A. 安全库存
B. 保险库存
C. 国家储备
D. 制造库存
( )是指把仓库选在最终用户和制造商之间的中点位置。
A. 中间定位策略
B. 市场定位策略
C. 制造定位策略
D. 产品定位策略