不受欢迎的部件或者设计不合理的部件就不会被采用了。
Unpopular or badly designed widgets will simply not be adopted.
环式烧结机点火炉密封挡板存在着材质及形状设计不合理等问题。
There exist deficiencies in the material and shape designing of the seal baffle for ignition furnace of circular traveling gate machine.
通过试验，认为锅炉燃烧器设计不合理是造成该炉在运行中着火不稳的主要原因。
It is considered that the main cause of unstable flame of the boiler in operation results from the unreasonable design of the burner through tests.
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