沉头击芯铆钉 Countersunk head drive rivets

沉淀滤芯 Sediment filter

自返式沉积物取芯器 [海洋] boomerang sediment corer

抽芯型沉头铆钉 Blind Rivets Break Mandrel Type

开口型沉头抽芯铆钉 degflush

沉淀物滤芯 sediment filter element