catch pin 中文意思是什麼
catch pin
解釋
帶動銷-
The reverse was plain with only the manufacturer mark ( if present ), and a wide pin and catch soldered to it, from which the cross was attached to the uniform
反面是簡單的製造商標記,並且採用寬別針焊接方式,從那些十字勛章戴上制服后。
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