| 摘要 |
<p>A method of securing a precast refractory shape within a refractory structure, comprising the steps of forming a precast refractory shape by casting a refractory shape to have a plurality of spaced-apart cavities formed in an outer surface thereof, positioning the precast refractory within a refractory structure; a nd casting a refractory material around the precast refractory shape such that the refractory material covers the outer surface of the precast refractory and fills the cavities.</ SDOAB></p> |
