Cov qauv hlau ntawm lub qhov rooj hlau hluav taws tuaj yeem ua kom ntseeg tau tias nws tsis yooj yim rau kev puas tsuaj los ntawm kev cuam tshuam deformation thiab sab nraud quab yuam, thiab tuaj yeem siv tau ntev ntev yam tsis muaj kev hloov. Raws li qhov hluav taws kub tsis kam ntawm steel hluav taws qhov rooj, ntau qib ntawm steel hluav taws qhov rooj yuav siv tau nyob rau hauv ntau qhov chaw.

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