rod-line

常见例句

• Rod fatigue rupture is one of its main failure forms.
  抽油杆的疲劳破坏是抽油杆柱的主要失效形式之一。
• The electric heating subsurface pump is a pump combining the monobarrel pump with the electric heating sucker rod.
  电加热抽稠泵是将整筒抽油泵和电加热抽油杆结合为一体的抽油泵。
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