The structual characteristic and the technology reguirement of the mitre valve piston were analyzed in this paper,a fairly feasible fixed angled hole mould was designed by the method of technology benchmark for the angled hole machining.是什么意思_The structual characteristic and the technology reguirement of the mitre valve piston were analyzed in this paper,a fairly feasible fixed angled hole mould was designed by the method of technology benchmark for the angled hole machining.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句