rest pin
蹄片支承销 anchor pin
动臂油缸支承销 boom cylinder support pin
铲斗缸支承销 bucket cylinder support pin
斗杆油缸支承销 stick cylinder support pin
悬臂支承销 arm base pin
制动蹄支承销 brake shoe anchor
舵销支承 pintle bearing
短支承杆销 short supporting rod pin
散热器防护装置销支承 radiator guard pin bearing
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