亚洲成人一区不卡_肥胖熟妇大屁股无码在线_欧美日产国产韩国_久久精品中文字幕在观看_国产精品无码翘臀_中文字幕av不卡_婷婷丁香社区_丰满少妇女人?毛片视频_毛片最新在线看片_中文字幕不卡二区亚洲

Yangzhou Dayang Shipbuilding Coating Room

Ship section 3 sand blasting rooms and 3 painting rooms, garage layout
The coating room is equipped with sandblasting system, sand suction system, abrasive recovery system, dust removal system, dehumidified system, heating system, organic waste gas treatment system, flexible door,etc