suspended column-piston hydraulic prop 柱塞悬浮式液压支柱
They rigged up a tent-shaped scaffold directly above the tip of the horizontal column, with pulleys suspended from the scaffold's apex.
他们在水平立柱的顶端正上方安装了一个帐篷状的脚手架，在脚手架的顶端悬挂滑轮。
Many fishermen are convinced that much of the oil is suspended in the water column or has drifted to the bottom, where it's impacting oyster beds, crab herds, and spawning fish schools.
很多渔民确信不少油污正悬浮在下潜水流中，这会影响到牡蛎养殖场，螃蟹的繁殖和产卵的鱼群。
The centrifugal basket with stiffening rings has been used in the three-column centrifuge and top suspended centrifuge widely.
带有加强箍的转鼓是三足离心机、上悬离心机普遍采用的转鼓结构。
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