No open flames!Some operations prone to cause flames like welding and fusion cutting shall be avoided on board a LNG tanker or around the berth when the tanker is moored at the berth.是什么意思_No open flames!Some operations prone to cause flames like welding and fusion cutting shall be avoided on board a LNG tanker or around the berth when the tanker is moored at the berth.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句