题目内容

水线应与工件以直角连接,使金属液充型平稳,减少对型壁的冲刷,要避免水线在连接处缩径,它会产生阻塞,从而影响金属液的充型过程。

A. 对
B. 错

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对于外形小且壁厚有一定顺序的工件,一般采用单支水线。

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