flangeless什么意思

flangeless的音标：flangeless的英式发音音标为：[f'lændʒles]flangeless的美式发音音标为：[f'lændʒles]...

Flangeless cylindrical parts are a kind of drawing parts and widely applied in production.无凸缘筒形件是生产中应用较为普遍的一种拉深制件....