A new rehabilitating technique using blast expanded joint method is adopted after experimental test, which gains ideal results.
通过试验，采用爆炸胀接法修复，取得了理想的效果。
A new rehabilitating technique using blast expanded joint method is adopted after experimental test, which gains ideal results.
通过试验，采用爆炸胀接法修复，取得了理想的效果。
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