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【单选题】
在装配图中,不需标注出零件的全部尺寸,而应标注出如 等一些必要的尺寸。A.
规格尺寸总体尺寸和定形尺寸
B.
装配尺寸安装尺寸和定位尺寸
C.
规格尺寸总体尺寸装配尺寸安装尺寸和其他重要尺寸
D.
装配尺寸安装尺寸定位尺寸和其他重要尺寸
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皮皮学刷刷变学霸
举一反三
【单选题】Servic engineers can improve their productivity and ----- by using cell phones.
A.
efficient
B.
efficiency
C.
efficiently
【单选题】Investment in the public sector, such as electricity, irrigation, quarrying, public services and transport (excluding vehicles, ships and planes) increased by about 10%, although the emphasis moved to...
A.
spending more money than they earn
B.
investing and consuming at an accelerated pace
C.
saving more money than previously
D.
spending their money wisely
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