Analyzing about working principle of roll cutting shearer, its structural improvment was put frwand. The new type of single shaft roll cutting shearer is available equipment.是什么意思_Analyzing about working principle of roll cutting shearer, its structural improvment was put frwand. The new type of single shaft roll cutting shearer is available equipment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句