external heating surface 中文意思是什麼
external heating surface
解釋
外受熱面-
50mm polyurethane foam steam heating system : external steam channels are weld to the tank underside to give an effective surface heating area of 8. 0 sq. m. the steam inlet / outlet connections are 11 / 2 inch bsp male
目前中國是世界上最大的黃磷出口國,為與國際運輸業接軌,罐式集裝箱對我國磷化工產品的貯運是十分必要的。
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