“自燃”造句
較輕的推進器采用液態(tài)氫, 較重的采用
自燃推進劑.
The lighter version used liquid hydrogen, the heavier used hypergolic propellants.
磷化氫是一種有毒氣體,在空氣中可以
自燃.
Phosphine is a toxic gas which ignites spontaneously in air.
它們也可作為
自燃點火成分,改進點火和重新點火性能.
They also may be used as hypergols for improving ignitability and reignitability characteristics.