The gases which form expand rapidly, and are exhausted through the rear of the combustion chambers and out through the nozzle (blow) providing the forward thrust.
这些气体的形式迅速扩大，并通过燃烧室，并通过喷嘴（打击）提供前进推力出后用尽。
3
Steelworks of Tang Steel is technically reformed over its working life, automatic casting ratio of slide gate nozzle and air permeability for argon blow, a rather good result got.