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結果 : how does pump jack work
4:11

How Do Oil Pumpjacks Work?

Concerning Reality
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5:29

Artificial Lift: Rod Lift & How a Pump Jack Brings Oil to the Surface

Kimray Inc
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0:33

Pump Jack Valves Animation

UTFIC
205,316 回視聴 - 15 年前

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4:19

How do oil pumpjacks work?

Vincent Stevenson
29,754 回視聴 - 4 年前
6:24

Pump Jacks

Essential Craftsman
155,809 回視聴 - 4 年前
4:11

Using pump jack scaffolding

Maynard
43,310 回視聴 - 4 年前

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1:00

How Do Pump Jacks Work?

Singularity - Process Engineering Consultants
183 回視聴 - 1 年前
3:19

How Do Oil Pumpjacks Work

Oil & Gas Expert
303 回視聴 - 3 年前
8:32

Pump jacks: problems and operation

Ben4TheWin
11,592 回視聴 - 2 年前
1:12

METALTECH PUMP JACK

METALTECHscaffolding
8,345 回視聴 - 2 年前
4:32

Oil and Gas Well Pump

M MANGLA
18,809 回視聴 - 3 年前
0:10

Brief Oil Pump Jack Animation

Charles Little
31,497 回視聴 - 11 年前
0:50

Pump Jacks 101 #building #siding

Mason Dixon Acres
100,163 回視聴 - 1 年前
1:24

Crude Oil Extraction

SG-Sintez Llc
276,725 回視聴 - 8 年前
7:04

Pump jack Compilation - Pump Jacks in California

Tractors, Trains and Planes
55,077 回視聴 - 8 年前
4:27

Qualcraft Pump Jack System

NEMEONCoOp
322,889 回視聴 - 14 年前
8:11

How a hydraulic jack works

Deconstructed
1,437,460 回視聴 - 1 年前
9:40

Hand Start Arrow Oil Field Engine

TheZachLife
188,264 回視聴 - 2 年前
0:26

Pump jack safety

ConocoPhillips
1,465 回視聴 - 3 年前
0:31

Fall Protection Safety System For Ladder Jack & Pump Jack Systems From WorkSafe Company

WorkSafe Company
19,545 回視聴 - 5 年前