Pvdf
[化] 聚偏二氟乙烯
🗣️ 情景例句
But as exporters of a complete plant,
但是，作为成套设备出口商，
You're way behind schedule.
你比预定的落后了。
In the play, she must appear in a bright red dress and long black stockings.
演出时她必须穿一条鲜红色的裙子和黑色的长筒袜。