4. 英翻中
NLS means Noxious Liquid Substance. "NLS Certificate" means an International Pollution Prevention Certificate for the Carriage of Noxious Liquid Substances in Bulk issued under MARPOL 73/78.
"NLS tanker" means a ship constructed or adapted to carry a cargo of noxious liquid substances in bulk and includes an "oil tanker" as defined in MARPOL Annex I when certified to carry a cargo or part cargo of noxious liquid substances in bulk.
Liquefied natural gas (LNG) is natural gas that has been converted to a liquid form for the ease and safety of natural gas transport. Natural gas is cooled to approximately -260 F,creating a clear, colorless, and non-toxic liquid that can be transported from areas with a large supply of natural gas to areas that demand more natural gas.