短语词组短语key -slot anecdote 钥匙槽key punch slot 钥匙槽guide key slot 导键键槽key slot milling machine 键槽铣床saw spindle key slot 锯轴平键in the key slot 把手重要关口的gihnch òuh key slot 键槽guide key slot edge 导键键槽边缘 返回 key slot