This study and practice of sucker rod pump demonstration series is tested.<br>To find out how effective the sucker rod pump is, see how effective it is.The test is divided into 3 times, each time a 1-minute timer is performed and the sucker rod is calculated.<br>How much oil can pump up? There are units of liters per minute, and the panel of the<br>User Satisfaction Survey of Sucher rod pump demonstration set The survey was conducted.<br>Satisfaction to check the satisfaction of those who use the sucker rod pump demo kit until<br>Collect various test results.
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