索尼SRS-A201 SONY SRS-A
The installation, reduction and commercial operation of A201 type ammonia synthesis catalyst are reported.
本文介绍了A201型氨合成催化剂的装填、还原以及使用情况。
A complex comparison of their performances and their formed yarn quality of old and new FA269 and A201 series of combers is given in this paper.
对比了FA269和A201型新老精梳机系列的综合性能及其精梳条和成纱质量。
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