abbr.凭证废止清册（Certificate Revoke List）；紧急保险按钮（Center for Research Libraries）；（英）化学研究实验所（Chemical Research Laboratory）；（美）哥伦比亚辐射研究所（Columbia Radiation Laboratory）；端口配置低寄存器(GPIOx_CRL)
The chemical component and producing process of high Cr cast iron r ol l are introduced. It has been proved that high Cr cast iron rolls are fit for finishing mill of 1549 hot strip mill of Tisco.