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knife edge bearing
archit. 刀口支承
auto. 支承; 棱形支承; 天平支承刃; 因磨损磨锐的轮辋
knife-edge bearing [,naɪf'edʒ 'be(ə)rɪŋ]
met. 刀口承; 刃形支承
oil 刀口支承
tech. 刀形支承; 刃型支承