基本解釋[機(jī)械工程]囊式空氣彈簧詞組短語短語Bellows s type air spring 囊式空氣彈簧bellows type rubber air spring [機(jī)]曲囊式橡膠空氣彈簧double -convolution bellows type air spring [機(jī)]雙曲囊式空氣彈簧bellows type air spring更多詞組專業(yè)釋義機(jī)械工程囊式空氣彈簧