短语词组短語Feed auger pitch layout 喂料絞龍螺距佈置irregular feed pitch 不槼則坡度Feed and thread pitch 進給及螺紋pitch feed 導孔間距;瀝青進料feed forward program controller pitch 傳動導孔距離feed screw with changing pitch 變螺距供送螺杆 返回 feed pitch