以骨架为基准和以蒙皮外形为基准的两种装配方法都具有的误差有[]。
A. 装配后产生的变形
B. 蒙皮厚度误差
C. 骨架的装配误差
D. 蒙皮与卡板外形不贴合的误差
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Scientific findings come about as a result of painstaking efforts and long periods of______.
A. conspiracy
B. contamination
C. contemplation
D. contradiction
When goods are in supply, the exchange process does not require significant promotion and facilitation.
A. excessive
B. deficient
C. lacking
D. short
Textiles made of cotton or flax will_____ a little bit after being washed.
A. contract
B. shrink
C. decrease
D. retreat
Spain's prime minister ordered Spanish troops _ out of Iraq as soon as possible.
A. steered
B. pulled
C. dragged
D. hauled