“工序”怎么读

“工序”的英语可以翻译为：production processes，procedure，working procedure [process]，stages of production ...

他把工序倒过来了，从上往下建房子。He works backwards, building a house from the top downwards.这一新工序如何操作？What are the mechanics of this new process?还差一道工序.There's still one more step in the process....