The device comprises a frame and an impacted plate fixed on the frame.
它包括支架，支架上固定安装冲击板。
Purpose: the purpose of this study was to investigate the feasibility and advantage of extracting the impacted mandibular third molar via resection of lingual bone plate.
目的：探讨经舌侧骨板切除术拔除下颌低位阻生第三磨牙的可行性及其优势。
The stilling basin base plate supports large impact pressure in the impacted area.
消能塘底板在射流冲击下，底板块在冲击区受到较大的冲击压力。
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