Watertight bulkheads, deck plates etc. not subject to pressure tests to be fresh water hose tested after painting.

 
  • 水密艙壁,甲板等不受壓力試驗影響的可在噴漆后沖淡水試驗。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan