Fluoroalkylpolysiloxane
氟烷基聚硅氧烷
🗣️ 情景例句
in your tuxedo jacket pocket.
礼服上衣口袋 。
Provided you can offer favorable quotations and guarantee delivery within four weeks from receipt of order, we will place regular orders with you.
贵方若能报优惠价并保证在收到定单后4周内交货，我方将定期订购。
Tim is looking at an aeroplane.
蒂姆正望着一架飞机。