dust suppression system造句

"dust suppression system"是什么意思

造句与例句手机版

Despite three years of improvements _ a new fire suppression system, the beginnings of a dust suppression system, better lighting and training _ small fires regularly broke out along the mill's five flock lines.
It's difficult to see dust suppression system in a sentence. 用dust suppression system造句挺难的

相邻词汇

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