铰链SHCDGHCDGHHCDG
铰链HCDGHHCDG18
铰链PHCCGHHCCGHPHCCG
铰链PHCCGHHCDGHSHCCG
铰链PHCCGHSHCDGHCDGH
铰链PHCCGHSHCCGSHCDG
铰链PHCCGHHCCGHSHCDG
环型铰链替代HCDGH
铰链HCDGH1012