Stress of surrounding concrete of each draft tube is analysed by the finite-element method under condition of the highest hydraulic pressure and the variable regularity of stress is obtained.

基于有限元法，分析了两个尾水管在各自最大内水压力条件下外围混凝土的受力，得到各自的应力变化规律和特点。

youdao

Taking natural thermo-potential difference as natural draft pressure is ambiguous in theory and not in accord with the actual condition of mines.

把自然热位差当做自然风压在理论上是模糊的，是不符合矿井实际情况的。

youdao

Abrasion and repair condition of axle neck of induced draft fan for boiler in power plant is introduced.

介绍了电厂锅炉引风机承力侧轴颈的磨损和修复情况。

youdao

The men, speaking on condition of anonymity because team draft strategy is confidential, said the decision was not just because of a disappointing combine performance or the linebacker's poor performance in the national title game.

WSJ: Chargers take Manti Te'o in 2nd round of NFL draft