In using eq. 3-1 of course one first identifies the fuel molecules and the oxidizer molecules of the propellant . 当然，应用式（3-1）时首先要辨明推进剂的燃烧分子及氧化剂分子。
2.
In using eq . 3 - 1 of course one first identifies the fuel molecules and the oxidizer molecules of the propellant 当然，应用式（ 3 - 1 ）时首先要辨明推进剂的燃烧分子及氧化剂分子。
