polyester
问题描述：
polyester
答
polyester resin
[英]ˌpɔliˈestə ˈrezɪn
[美]ˈpɑliˌɛstɚ ˈrɛzɪn
聚脂树脂
[例句]Unsaturated polyester resin ; determination of hydroxyl value.
不饱和聚酯树脂羟值测定方法.