词汇	ball support
释义	ball support 球面支座,滚珠支座
随便看	Do we have reserved seats? Do we have sufficient food and water in stock? Do we have time to exercise in the morning Do we have time to exercise in the morning? Do we have time to get off and stretch our legs Do we have to include him in the meeting Do we have to include him in the meeting? Do we have to pay the full price for children Do we have to pay the full price for children? Do we have to queue up for the check? Do we have to take a grill with us Do we have to take a grill with us? Dowek dowel dowel action dowelanco dowelancoes dowel assembly dowel assemblyjoint dowelling dowel bar dowel bit dowel board dowel bolt dowelbonegraft dowelbone graft