It gives two kinds of new utility engineering concepts called resonance transmission chain and multi hole throttle law of shock absorber.
提出了减振器共振传递链和减振器多孔截流律等工程实用概念。
The utility model belongs to the field of metal material cutting tools, especially fitting for boring processing of a small deep hole of brittle rare and precious metal material.
本实用新型属于金属材料的切削刀具领域，特别适合于脆性稀贵金属材料的小深孔套料加工。
The utility model relates to a vibrator support for open aerials, which comprises a vibrator box provided with a main rod hole and a wire connecting hole.
本实用新型涉及一种室外天线振子架，包括设有主杆孔和接线孔的振子盒。
应用推荐