To realize artesian discharge, there must be a certain height of liquid level, or an adequate level difference between the liquid stored and the outlet of unloading arm.
要实现自流付油，油品就必须有一定的液面高度，也就是要求储存油品液面与发油鹤管出口具有足够的高度差。
The moving theory of four bar linkage is often used to analyze the triangular arm unloading mechanism of dump truck.
重型自卸汽车设计中经常选用三角臂组合式倾卸机构，应用的是铰链四连杆机械运动工作原理。
In this article, the analysis on the causes and influence factors of vapor lock of railway swing arm for unloading oil are carried out, and a computational practical example is given.
分析了铁路卸油鹤管气阻产生的原因和影响因素，并给出了分析计算实例。
Operating multiple directional value can separately control the fore and aft motion of swing arm oil cylinder, outrigger oil cylinder or hook oil cylinder to finish working of hoisting or unloading.
操作多路换向阀可分别控制摆臂油缸、支腿油缸或锁钩油缸的伸缩运动，完成吊装或卸料工作。
The take-up process can be used with coil or spool, and unloading with arm crane.
由一台变速电机传动，收线可成盘或成圈，用旋臂起重机能将线圈取下。
The take-up process can be used with coil or spool, and unloading with arm crane.
由一台变速电机传动，收线可成盘或成圈，用旋臂起重机能将线圈取下。
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