economizer造句

1、Pull-cracks at Root Weld Joints of Economizer Tubes on SG410t/h Boiler
SG410t／h锅炉省煤器管根部焊口拉裂的原因分析

2、Economizer leakage is a main problem in running of heat recovery boiler.
省煤器泄漏是余热锅炉运行中常遇到的问题。

3、Compares the two energy saving modes, i. e. air economizer and water economizer.
对该节能技术的两种形式-空气节能器与水节能器进行了比较。