Sometimes there was only one standpipe to provide the entire lane or court with water.
有时,整条街或整个源自的水都由仅仅一座竖立式水塔供应.
A standpipe was crucial for smooth circulation.
一根立管可以肯定达到顺利的循环.
STUDY ON STANDPIPE-TRICKLING VALVE SYSTEM ⅰ. Gas-Solid Flow in Cyclone Dipleg under Negative Pressure Differential Gradient
立管-翼阀系统的研究Ⅰ.负压差下旋风分离器料腿内的气固流动
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