线变化 meaning in English

linear variation

Refractory ceramic fibre products - determination of permanent linear change on heating
加热永久线变化试验方法
Dense shaped refractory products - test method of linear changes on reheating
致密定形耐火制品重烧线变化试验方法
Dense shaped refractory products - determination of permanent changs in dimension on heating
致密定形耐火制品加热永久线变化试验方法
Shaped insulating refractory products - determination of permanent change in dimension on heating
定形隔热耐火制品重烧线变化试验方法
Shaped insulating refractory products - determination of permanent change in dimension on heating
定形隔热耐火制品重烧线变化试验方法

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