Screw conveyor is an important tool of controlling earth pressure balance in EPB shield boring and plays a significant role in maintaining the earth pressure at the face of the shield.是什么意思_Screw conveyor is an important tool of controlling earth pressure balance in EPB shield boring and plays a significant role in maintaining the earth pressure at the face of the shield.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句