| 释义 |
upper portion短语⁷⁹⁹⁷⁸⁺⁹
基本例句
上部
The total head in the upper portion of the column is higher than the head at the constant head boundary even at the end of drainage.
砂柱上部的总水头在排水结束时仍然高于底部定水头边界处的水头。71155
The upper portion of the air intake is incorporated with an intake ramp designed to generate a rearward leaning oblique shock wave to aid the inlet compression process.
进气口的上部为进气口混合斜面设计，这样设计的目的是为了产生斜振波以帮助进气压缩过程。 yeeyan
An icon appears in the upper portion of the screen to indicate when the microphone is muted.
进行消音时，会在屏幕的上部出现一个图标。52qdu
Select a combination of spindle and speed that gives a minimum scale reading of10 and preferably in the middle or upper portion of the scale.
选择锭子和速度的综合指数，它给于最小的刻度10和最合适的是在刻盘的顶部和中部。 asiacoat |