一、优质镲的生产阿维地·辛尔德强厂制造优质镲,是依靠下列条件完成的:A.至少要经过四次热处理。B.至少要经过三次不同方法的手工捶打(冷砸)。C.各种不同音质的镲,根据它所需要的厚度,在车床上用手工进行车镟括光。D.在生产过程中以及制造完成后,要注意不同阶段内因时间而产生的变化。 First, the production of high quality 阿 · 辛 尔 德 De strong plant manufacturing quality 镲, is to rely on the following conditions: A. At least after four heat treatment. B. After at least three different methods of manual beat (cold drop). C. Various sound quality 镲, according to its required thickness, in the lathe by hand car 镟 light. D. In the production process and manufacturing is completed, pay attention to different stages of changes over time.