vent channels
A、通风通道
B、Stringersandtheupperwingskinarecalledventchannels.Theventchannelsgothroughdrainfloatvalvesinthecentertank.
发布时间:2024-09-25 19:09:19
A、通风通道
B、Stringersandtheupperwingskinarecalledventchannels.Theventchannelsgothroughdrainfloatvalvesinthecentertank.