non-metallic inclusions的用法和樣例：
例句
- The result showed that the cracking was caused by the fold-ing and nonmetallic inclusions of steel pipe.
結果表明，鋼管中存在折疊及較嚴重非金屬夾雜物是導致開(kāi)裂的主要原因。 - The using data from detected non-metallic inclusions to estimate the status of undetected inclusions is a speculation in the theory of method, which has just reference value.
由已檢非金屬夾雜物中所得到的數據判斷其他未檢夾雜物的狀態(tài)，在方法學(xué)上屬于推測，僅具有參考意義。
