Said base, said lever and said pressing part can be assembled together actively through springs, so said lever can be assembled on the base rotating around the pivotal axis supporting said springs.
所述基部、所述压紧部和所述杠杆借助于弹簧可活动地组装在一起，使得所述杠杆可绕着支撑所述弹簧的枢转轴可转动地装配在基部上。
Said base, said lever and said pressing part can be assembled together actively through springs, so said lever can be assembled on the base rotating around the pivotal axis supporting said springs.
所述基部、所述压紧部和所述杠杆借助于弹簧可活动地组装在一起，使得所述杠杆可绕着支撑所述弹簧的枢转轴可转动地装配在基部上。
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