缠绕管式换热器
spiral tube heat exchanger
wound-tube heat exchanger
spiral -wound heat exchanger
大口径中空壁缠绕管
large diameter coiled pipe
多向纤维缠绕管
multidirectional filament wound tubes
钢塑复合缠绕管
spiral steel plastic composite pipe
高密度聚乙烯大口径中空壁缠绕管
high density polyethylene pipes
纤维复合材料弯管缠绕机
winding machine of the filament composite material
玻纤缠绕复合管
glass fiber winding composite pipe
缠绕结构壁管材
spirally enwound structure-wall pipes