基本解釋[機(jī)械工程]長(zhǎng)幅外擺線詞組短語(yǔ)短語(yǔ)equidistant curve of prolate epicycloid [機(jī)]長(zhǎng)幅外擺線的等距曲線prolate epicycloid更多詞組專(zhuān)業(yè)釋義機(jī)械工程長(zhǎng)幅外擺線