One of calculation methods for general heat balance of gas turbine with larger cooling air flow (as close to 20%) during preliminary design is described here.

本文叙述了总冷却空气量较大时(如接近20%等级)的燃气轮机初步设计时总体热平衡计算的一个方法。

youdao

A: Sure. Let me check the balance. (Mr. Wang picks up a file and checks the Preliminary Sale and Purchase Agreement.) the balance is forty-three thousand HongKong dollars.

好的，让我先查看差额。(王先生拿出文件，查看临时买卖合约。)差额是四万三千港币。

youdao