Marine Gas Strut rau Nkoj Hatches

Nkoj hatches yuav nruab nrog cov tuav tuav kom ruaj ntseg thiab kev nyab xeeb ntawm cov khoom thauj thaum thauj.Kev them nyiaj yug pas nrig feem ntau yog ua los ntawm cov hlau thiab tuaj yeem hloov kho kom sov thiab txoj haujlwm.