不锈钢板翅结构
stainless steel plate-fin structure
不锈钢板翅式换热器
stainless steel plate-fin heat exchanger
不锈钢板式换热器
plate heat exchanger made by stainless steel
00Cr18Ni5Mo3Si2+Q235复合不锈钢板
Reunite stainless steel plank of 00Cr18Ni5Mo3Si2+Q235
不锈钢钢笔
fountain pen with stainless steel nib
不锈钢-钢复合板
stainless steel steel clad plate