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Liquefied petroleum gas (LPG) is a colorless volatile liquid obtained from natural gas or petroleum through pressurization and cooling liquefaction in the refinery. It is very easy to self ignite. When its content in the air reaches a certain concentration range, it will explode when encountering open fire.
隐藏域元素占位
Hydrogen is a good chemical raw material. Synthetic ammonia consumes a large amount of hydrogen. About 60% of hydrogen in the world is used for synthetic ammonia, and China has a higher proportion.
隐藏域元素占位
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