Flexible pvc
[化] 软聚氯乙烯; 软质聚氯乙烯
🧩 词语组成解析
聚氯乙烯\\n[计] 永久虚电路
🗣️ 情景例句
Oh, without a doubt.
啊， 毫无问题。
It is our permanent principle that contracts are honored and commercial integrity is maintained.
重合同、守信用是我们的一贯原则。
Can you help me?
你可以帮帮我吗？