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Liquefied gas transport vehicles are divided into the following categories in terms of use, manufacturing and inspection:
(1) According to the loading materials, they can be divided into: propane transport vehicles, propylene transport vehicles, dimethyl ether transport vehicles, liquid ammonia transport vehicles, methylamine transport vehicles, acetaldehyde transport vehicles, etc.
(2) According to the different process functions and loading volumes, it can be divided into: liquefied gas transport vehicles, liquefied gas transport semi-trailers, and liquefied gas storage tanks. Among them, liquefied gas storage tanks can be designed into two types: underground storage tanks and above-ground storage tanks.