1. The fracture causes of joining bolt joined between feeder and quill shaft of ball mill are biggish gap between feeder and quill shaft, defective seal cone washed by ore pulp. etc. 球磨机进料器与中空轴联接螺栓断裂原因是进料器与中空轴之间间隙过大，密封锥面受矿浆冲蚀而被破坏。
2. The fracture causes of joining bolt joined between feeder and quill shaft of ball mill are biggish gap between feeder and quill shaft, defective seal cone washed by ore pulp. etc. 球磨机进料器与中空轴联接螺栓断裂原因是进料器与中空轴之间间隙过大，密封锥面受矿浆冲蚀而被破坏。
3. The design is loosely based on a quill and inkwell where by the quill is the writing apparatus and the inkwell is an electromagnetic induction charger. 这个设计类似于羽毛笔和墨水池，“羽毛笔”是书写工具，“墨水池”是个电磁感应充电器。
4. The observation results show that vulture has huge body, black wool fleece, circle nares, epicranium quill-coverts. There is white skin fold ruff at cervix near head. 结果表明：秃鹫体形庞大，被毛黑色，鼻孔圆形，头被绒羽，颈部靠近头部的部分为污白色皮褶形成的皱领。
5. He wears his officer's cap at an angle, jaunty, and picks his teeth with a sharpened goose quill . 他潇洒地微微歪戴着他那顶军帽子，用一支削尖了的鹅毛管剔着牙齿。
