The main distribution manifold supplies the passenger compartment overhead distribution system through two sidewall risers.in the above sentence,"sidewal riser" means " 侧壁总管".
A.1正确答案B
The main distribution manifold supplies the passenger compartment overhead distribution system through two sidewall risers.in the above sentence,"sidewal riser" means " 侧壁总管".
A.1正确答案B
