The brazing weld need annealing heat treatment so that it is easily machined.。（ ）
The brazing weld need annealing heat treatment so that it is easily machined.。（ ）
The brazing weld need annealing heat treatment so that it is easily machined. A: 正确 B: 错误
The brazing weld need annealing heat treatment so that it is easily machined. A: 正确 B: 错误
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