1150mm末级自由(钢制)叶片
1150mm free standing last-stage steel blades
15MnVNR钢制球罐
15MnVNR steel spherical tank
Cr4Mo4V钢制轴承套圈
bearing ring made from Cr4Mo4V steel
H型钢钢混叠合梁
H-formed steel concrete composite girder
奥氏体不锈钢制再沸器
Austenitic stainless steel heat exchanger
玻璃钢-钢抽油杆
Fiberglass-steel Sucker Rod
玻璃钢—钢混合抽油杆
fiberglass—steel sucker rod string
玻璃钢制品
glass fibre reinforced plastic
GFRP product