Abstract: Good results were achieved in PD103 adit of Yangshan mining area in South Gansu by smooth blasting and new Austrian method.是什么意思_Abstract: Good results were achieved in PD103 adit of Yangshan mining area in South Gansu by smooth blasting and new Austrian method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句