To solve these problems,we have developed retrievable bridge plug successfully.This paper gives the development and application of the retrievable bridge plug of cement squeeze.

　
英 美
  • 研制的可取式插管擠灰橋塞(簡(jiǎn)稱(chēng)可取式擠灰橋塞),經(jīng)現場(chǎng)應用表明,該工具具有施工簡(jiǎn)單、安全方便、成本低等特點(diǎn),經(jīng)濟效益顯著(zhù)。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan