oval countersunk head rivet 半沉头铆钉 ; 椭圆埋头铆钉 black countersunk head rivet 粗制沉头铆钉 countersunk and chipped rivet 埋头铆钉 ..
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... out time 外置时间 oval countersunk head rivet 椭圆埋头铆钉 over 请回答 ...
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... 粗制半圆头铆钉 black snap head rivet 椭圆头埋头铆钉 oval countersunk head rivet 双半径半圆头铆钉窝子 double radius button head snap ...
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