Colbac
[荷]科尔巴克（以聚酯纤维为芯耐纶为皮的纺粘型非织造织物）
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
No pleasure without alloy (or pain or repentance).
乐中有悲。
When I present my views on the competitive products, I will refer to the patent situation.
专利的情况会在说明竞争产品时一并提出。