roller hearth kiln 中文意思是什麼
roller hearth kiln
解釋
輥道窯-
Recently, general manager katsumata san went to the working site to check the work. on this photo, he is checking the roller hearth kiln which is being constructed
近日來,勝股總經理到在建工地檢查工作。圖為總經理檢查施工中隧道爐。
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