常见例句In the US millions of IV bags made of PVC are used annually.美國每年都使用數百萬個由聚氯乙烯制成的靜脈注射袋。Copper conductor PVC insulated PVC sheathed woven shield control cable.銅芯聚氯乙烯絕緣聚氯乙烯護套編織屏蔽控制電纜。 返回 PVC