flaw detection machine of magnetic particle的用法和樣例：
例句
We have introduced new crack detection. 我們新引進(jìn)了一臺金屬探傷設備。
It has ceratin significance in promoting the country's technology of detecting damnification with magnetic powder. 對進(jìn)一步提高我國磁粉探傷設備的技術(shù)水平具有一定的促進(jìn)意義。
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