杆

• The fishermen used long, jointed, cane poles .
  钓鱼的人用的是一节一节接起来的很长的藤杆。
• The valve lifter, a round cylinder, rides on the cam .
  气门挺杆为一圆筒体，坐落在凸轮上。
• Two thin strips of gold are fastened to a narrow metal rod .
  两条金箔固定在一根细金属杆上。
• Boundary friction is independent of the guide material used .
  边界摩擦与导纱杆材料质地无关。
• The stem has a slightly smaller diameter than the valve bore .
  阀杆的直径略小于阀体孔的直径。
• These axes are called member axes (or local axes) .
  这些坐标系叫做杆件坐标系（或局部坐标系）。
• 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。
• Grandma put her hand on the chair to stay her from falling .
  奶奶把手放在椅子上杆住自己不致摔倒。
• The members in fig. 1-45 have a neat fit at the time of assembly .
  图1-45中的杆件在安装时已调整好。
• The bar directions are conveniently specified by direction cosines .
  杆的方向通常用方向余弦来表示。