guard tube 中文意思是什麼
guard tube
解釋
防護管-
According to specification, the technical criteria and the demand required by the customers, our company may process aluminized oxygen lance, guard tube, insulating tube, wiring board, brass cap, aluminum cap, quartz tube ceramic bead, and so on
我公司可以按客戶的規格、技術指標和需求加工滲鋁吹氧管、保護管、絕緣管、接線板、銅帽、鋁帽、瓷珠等產品。
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