The article also introduces a new upsetting process with a V-Shape plate, which can not only remove cavity flows in pressing and welding but also improve the distribution of inclusion.
并介绍了一种既能压实焊合空洞类缺陷，又能改善夹杂物分布的新型V型板墩粗工艺。
Using a new kind of liquid-phase epitaxy technology, V-channeled substrate inner stripe visible GaAlAs semiconductor laser with a large optical cavity is fabricated.
采用一种新的液相外延工艺，研制出了具有大光胶结构的V型槽衬底内条形可见光发射半导体激光器。
Using a new kind of liquid-phase epitaxy technology, V-channeled substrate inner stripe visible GaAlAs semiconductor laser with a large optical cavity is fabricated.
采用一种新的液相外延工艺，研制出了具有大光胶结构的V型槽衬底内条形可见光发射半导体激光器。
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