但是被检查的工程芯柱都与铝合金立柱固定，这样就会失去自由伸缩作用，当热胀冷缩时产生较大的内应力。
But checked Chad engineering core column is fixed with aluminum alloy column, so will lose freedom scale effect, when heat bilges cold shrink large internal stress.
但是被检查的工程芯柱都与铝合金立柱固定，这样就会失去自由伸缩作用，当热胀冷缩时产生较大的内应力。
But checked Chad engineering core column is fixed with aluminum alloy column, so will lose freedom scale effect, when heat bilges cold shrink large internal stress.
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