The new classification system is divided into three arrangements: series, type and pattern.
新拟定的分类系统分为三个层次：系、类、型。
The three-layer air supply system is common to the new type alkali recovery boiler.
新型碱炉一般采用三层供风系统。
The three-layer air supply system is common to the new type alkali recovery boiler.
新型碱炉一般采用三层供风系统。
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