透光孔(TGK型) Transparent Hole
透光孔装于油罐顶部,供罐内通风和采光用。
Transparent hole series shall be set on tank roof for airing and lighting.
A型适用于轻质油罐
A-type Used for heavy oil storage tank
B型适用于重质油罐
B-type Used for heavy oil storage tank透光孔(TGK型) Transparent Hole
透光孔装于油罐顶部,供罐内通风和采光用。
Transparent hole series shall be set on tank roof for airing and lighting.
A型适用于轻质油罐
A-type Used for heavy oil storage tank
B型适用于重质油罐
B-type Used for heavy oil storage tank