Please check the up-cutter-head of knife at the notch part is whether rightly opposite to the necking of down-cutter-head or not ,and no binding phenomenon.是什么意思_Please check the up-cutter-head of knife at the notch part is whether rightly opposite to the necking of down-cutter-head or not ,and no binding phenomenon.在线翻译_英语_读音_用法_例句