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注:你正在编辑的一份前提条件指南。你所做的任何更改将影响包括此步骤的3指南

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正翻译步骤 20

步骤 20
Using two crescent wrenches, unscrew the pump rod from the remaining portion. When the joint is separated, carefully lower the riser main to the ground. When the joint is separated, carefully lower the riser main to the ground.
  • Using two crescent wrenches, unscrew the pump rod from the remaining portion.

  • When the joint is separated, carefully lower the riser main to the ground.

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