石墨盘式真空干燥机图片

p1Src=//y2.yzimgs.com/uploads/185112/2022618-133947161.png&p2Src=//y2.yzimgs.com/uploads/185112/2022618-13395513.png&p3Src=//y3.yzimgs.com/uploads/185112/2022618-13405314.png"

aa