名称:高压离心通风机

型号:9-19C

name:high anti-core fan

code:9-19C

名称:中低压离心通风机

型号:4-72-11

name:middle low pressure anti-core fan
code:4-72-11

名称:中低压离心通风机

型号:4-79

name:middle low pressure anti-core fan
code:4-79

名称:中低压离心通风机

型号:6-46-11

name:middle low presssure anti-core fan
code:6-46-11