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一、引射式平焰烧咀的应用1935年10月,我们把 LYPⅡ型引射式平焰烧咀(见图1)应用到熔模铸造模壳焙烧炉的技术改造中,针对它在使用过程中出现的问
First, the application of the injection-type flame burners In October 1935, we LYP Ⅱ-type injection-type flame burners (see Figure 1) applied to the investment casting mold shell roaster transformation, in the use of it Q