SR360 rotary drilling when drilling play in the construction of the largest pebbles are more than 50 cm, geological strength 1200 kPa.是什么意思_SR360 rotary drilling when drilling play in the construction of the largest pebbles are more than 50 cm, geological strength 1200 kPa.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句