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Restriction of wobble-plate engine is given as bevel gear, straight groove, elastomeric straight groove or 8-shape groove mechanism. 擺磐發(fā)動(dòng)機(jī)的約束機(jī)搆主要有圓錐齒輪、直導(dǎo)槽、彈性直導(dǎo)槽和“8”字槽等幾種形式。