单词	rigid extension rod
释义	rigid extension rod 刚性接杆
随便看	self-focusing and self-defocusing self-focusing apparatus self focusing beam self-focusing beam Self-focusing effect self focusing fiber self-focusing fiber self-focusing fibre selffocusing laser self focusing laser self-focusing laser self-focusing lens self-focusing lens plate self focusing light self-focusing light self focusing lightguide self-focusing lightguide self-focusing mechanism self-focusing medium self-focusing microlens self-focusing of laser beam self-focusing optical fiber self focusing optical fibers self-focusing optical fibers self-focusing optical fibre