internal straight boring 内直线镗孔
internal taper boring 内锥形镗孔
internal ratio taper boring 内锥形镗孔
If one thinks his job is toil and boring, he won't do his job well, that job cannot develop his internal specialty.
如果一个人认为他的工作辛苦，烦闷，那么他的工作决不会做好，这一工作也无法发挥他内在的特长。
Everyone has their own internal trade-offs. How much routine do you like: boring but safe?How much do you like travel: exciting but you'll be away from loved ones?
人人心里都有一杆称：你愿意做一份无聊却稳稳当当的常规工作吗？
The utility model relates to a practical and adjustable cannula type cranial prick, which is a medical therapeutic tool for boring on skulls of nerve internal medicine and surgery.
一种实用可调套管式颅锥，为医用神经内、外科颅骨钻孔的治疗器械。
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