分析了高温合金孔加工的技术难点。
Technical difficulties of high temperature alloy hole have been analyzed.
镍基铸造高温合金K 424使用量多，返回料数量大。
The revert amount of K424 superalloy is quite great because of the wide application.
镍基铸造高温合金K 424使用量多，返回料数量大。
The revert amount of K424 superalloy is quite great because of the wide application.
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