抽油泵 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "抽油泵" in Chinese language version.

refsWebsite

Global rank Chinese rank

1petroleumhistory.org

low place

low place

1web.archive.org

1^st place

1^st place

petroleumhistory.org

Oil History: The Central Power. [2011-02-05]. （原始内容存档于2018-10-02）.

web.archive.org

Oil History: The Central Power. [2011-02-05]. （原始内容存档于2018-10-02）.