Ramjet engines have traditionally used liquid fuel which is mixed with atmospheric air and burned to provide thrust for high-speed flight.
传统的冲压喷气发动机使用液体燃料并与大气中的空气混合燃烧，以提供高速飞行的推力。
Methanol, a liquid fuel, is easily transportable, like gasoline, and could be used in automobile fuel cells.
而甲醇，作为一种与汽油一样容易输送的液体燃料，可用于车用燃料电池。
The liquid byproduct containing the lignin is dried and used as a fuel and the paper product created from chemical pulp is used in materials needing to be stronger.
副产品的液体含有木质素是干燥和用作燃料和产品创造了从化学浆是在材料的使用需要更加强大。
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