lower seal meaning in English

下密封

The lack of any avo response in the regional jurassic seal sequence above the prospect suggests the trap with low seal risk
在远景构造上覆的区域性的侏罗系盖层缺少avo响应表明勘探风险较低，圈闭没有受到破坏。
This connected burden receiving valve is lower sealing valve . this valve ' s structure is the same burden receiving valve , only diameter is differential
与料流调节阀连接的是下密封阀，下密的结构与上密封相同，只是口径不同。
The entire rotating assembly shall be designed with sufficient rigidity and balanced to provide for a maximum shaft deflection at the lower seal of 0 . 002 " under all operating points between plus or minus 40 % of the flow at best efficiency point ( bef ) on the pump ' s performance curve
整个旋转总装都应该具有足够的硬度，在泵性能曲线最好性能的正负40 %的范围内，在所有工作点，最大的轴偏差限制在0 . 002英寸内。