圆形钢高温结玻璃法兰式视窗油窗油标视镜液面计窥视镜油计
Body material:steel nichel-plated;
window:high temperature sintering glass;
Reflector:stainless steel; Working temperature:-30 +200
视镜
本体材:钢;视窗:高温结玻璃;
反光板:不锈钢;工作温度:-30 +200