| 单词 | 氢分子 |
| 释义 | 〔hydrocracking〕A process by which the hydrocarbon molecules of petroleum are broken into simpler molecules, as of gasoline or kerosene, by the addition of hydrogen under high pressure and in the presence of a catalyst.氢化裂解：将石油的含氢分子分裂成更简单的分子（象汽油和煤油的分子）的过程，此分裂过程是在加催化剂及高压氢气的条件上进行的〔fluorocarbon〕An inert liquid or gaseous halocarbon compound in which fluorine replaces some or all hydrogen molecules, used as aerosol propellants, refrigerants, solvents, and lubricants and in making plastics and resins.碳氟化合物：一种惰性液体或气体的氟碳化合物，其中氟元素代替了一些或全部氢分子，用作气溶胶推进剂、冷冻剂、溶剂和润滑剂以及制造塑料和合成树脂 |
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