“开槽”怎么读

木匠在木板上开槽.The carpenter grooved the board.制造时,为安装纵梁翼缘,在箱型梁中用焰割法开槽口.During fabrication slots for the stringers flanges were flame cut into box girders.开槽是在瓦楞纸板上切出便于折叠的缺口.Slot is cut out of corrugated board is easy to fold....

“开槽”的英语可以翻译为：open slot，notch，recess，engroove ...