Some work about transient temperature, thermo-elastic stress of aeolotropic material has been done in this thesis.
本文对各向异性瞬态温度场、弹性热应力问题从理论计算做 了一定工作。
Some work about transient temperature, thermo-elastic stress of aeolotropic material has been done in this thesis.
本文对各向异性瞬态温度场、弹性热应力问题从理论计算做 了一定工作。
alloy steel aeolotropic timber structure of steel, iron and steel and iron products, such as a pair of scissors, sales tax rebate to 9%;
合金异性、铁结构体铁制品、剪刀商品增值税出口退税率提高9%;
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