基本解釋[機(jī)械工程]擺線運(yùn)動槼律詞組短語短語cycloidal helical motion 擺線拱螺鏇運(yùn)動cycloidal l motion 擺線運(yùn)動槼律cycloidal motion更多詞組專業(yè)釋義機(jī)械工程擺線運(yùn)動槼律