1) marks on the hook of cartridge-case-extractor
拉壳钩痕
1.
We found that dot-imprints on cartridge case shoulder,pressing and scraping prints on the edge of cartridge case bottom and marks on the hook of cartridge-case-extractor are all related to the shooting .
结果壳体肩部圆点痕,弹底边缘压擦痕、拉壳钩痕与发射顺序有关。
2) extractor
[英][ɪk'stræktə(r)] [美][ɪk'stræktɚ]
拉壳钩
3) extractor spring
拉壳钩簧
4) Retractor
[英][ri'træktə] [美][rɪ'træktɚ]
拉钩
1.
Methods Retractors safe for nerve root may quantify the tensile force of it.
目的神经根拉钩是髓核摘除术和椎间融合术必备的器械,术中容易引起神经根的过度牵拉,本文旨在设计可测力的神经根安全拉钩。
5) draw hook
拉钩
1.
Improvement on draw hook for connecting of half-slide matched cavity;
哈夫凹模瓣合拉钩的改进
6) signs of ancient rice hull
稃壳印痕
补充资料：痕痕
1.犹言一道道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条