修复铸件缺陷最常用的方法是（）。
A.焊补
B.熔补
C.浸补
D.填堵
参考答案：A
— What's the model plane look like?
— The wings of the plane are ____of its body. [ ]
A. more than twice the length
B. twice more than the length
C. more than the length twice
D. more twice than the length
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