英语语法分析

The most common method of supplying air to the bag is by a blowpipe.

最常见的向风袋输送空气的方法便是用导管。

With the precise model it determines the shape of the blowpipe and the dimensions.

经过计算，确定了吹风管的形状和结构尺寸。

Pulverized coal burnout is slightly affected by oxygen because the space of blowpipe is small.

由于直吹管空间小，因而氧对煤粉燃烧率影响不大。