cartridge brass 中文意思是什麼
cartridge brass
解釋
彈殼黃銅(三七黃銅)-
Standard specification for cartridge brass cartridge case cups
彈藥筒黃銅彈藥殼帽殼標準規范 -
Standard specification for cartridge brass sheet, strip, plate, bar, and disks
銅鋅合金薄板材帶材板材棒材和圓盤的標準規范
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