粗牙的英文：
coarse thread

参考例句：
  • All screw threads are according to aNSI B-1.1 coarse thread.
    所有螺栓的螺纹都符合aNSI B-1.1粗牙螺纹标准。
coarse是什么意思：
adj. 粗糙的；粗俗的；粗制滥造的
  • Your phrasing was coarse.
    你的措词太粗鲁。
  • To talk loudly,raucously,or coarsely.
    大声叫嚷大声、粗声或粗暴地说话
  • The sausages are made of coarsely ground pork.
    这些香肠用切得较粗的猪肉制成。
  • Making a coarse grind is easier for us.
    对我们来说弄粗磨容易些。
  • Don't use such coarse language.
    不要用这种粗俗的语言。
thread是什么意思：
n. 线，棉线，毛线；丝状体；螺纹；头绪，思路
v. 穿线于…，装胶片于…；通，通过；穿成
  • pipe bend with female thread
    两头带阴螺纹的弯头
  • To hang by a hair thread
    千钧一发
  • There is a common thread in these two stories.
    这两个故事之间有个共同的线索。
  • The thread unwound a little more.
    线又松开了一些。
  • It is generally accepted that filament threads are stronger than spun threads of the same thickness.
    一般来说,长纤纱制成的线比同样粗细的短纤纱制成的线更牢固。

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