目的探讨合垫舌簧矫治器在矫治乳牙反过程中的口腔护理及其效果。
OBJECTIVES To investigate the effect of dental nursing on the treatment of deciduous crossbite with removable appliance.
为了有效减轻坝身下泄水流对水垫塘底板的动水冲击压强,须尽量分散下泄水舌。
In order to alleviate the value of the plunging pressure caused by plunging jet from DAMS effectively, plunging jet should be dispersed in the receiving pool.
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