aorta valve knife
主动脉瓣刀
热门单词
- alloy pipe
- alloy plating
- alloy rail steel
- alloy reaction limit
- alloy regrowth junction
- alloy powder
- alloy separation process
- alloy shutter
- alloy steel casting
- alloy steel gas welding rod
- alloy steel powder
- alloy system
- alloy tin
- alloy tool steel
- alloy tool steel bit
- alloy transfer efficiency
- alloy treatment
- alloy type transistor
- alloy wire
- alloy zener junction
- alloy treated steel
