IN MYANMAR, a column of cars at a petrol station usually means a fuel shortage or a broken pump.
在缅甸，如果加油站前车辆排起了长队，通常都意味着出现了燃料短缺或者油管爆破的状况。
This article designed a displacement setting mechanism by the fixed quantity of valve model radial column piston as base pump.
以阀式径向柱塞定量泵为基泵设计了控制进油阻力的变量机构。
Shaft Column: Flanged, heavy wrought steel pipe encases the pump shaft.
立柱：装有法兰，重型锻钢管包围泵轴。
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