pins

• The audience was so quiet you could have heard a pin drop .
  观众静得连别针落地的声音也能听见。
• The connecting rod is attached to the piston by the piston pin .
  连杆与活塞的连接是采用活塞销。
• Jacket restraint is used if skeletal pin or wire is used .
  如果骨胳穿上针或钢丝就要用背心约束。
• On both pins friction decreases with increasing twist .
  两种圆杆上摩擦都随纱线捻度的增加而减少。
• Isabel always felt an impulse to pull out the pins .
  伊莎贝尔总是忍耐不住，要把这些讽刺予以驳斥。
• He does not give two pins for what the critics say about his work .
  他毫不在乎别人对他作品的批评。
• Any out-of-adjustment pins can be reason for casting rejection .
  如果顶钉调整不当，可能使铸件报废。
• To pin down the size of an orbital, we take a contour surface .
  为束缚住轨道的大小，我们取一等值面。
• A pin placed through the condyles of the humerus provides to upper arm .
  用针穿过肱骨的两髁牵引上臂。
• He pulled the pin and lobbed the grenade over to the opposite bank .
  他一拔保险销，将手榴弹向对岸扔了过去。