upward force

an upward force is maintained until it is apparent that the mobile ridge is just beginning to have pressure applied to it.

取模时持续向上用力，直至能明显感到可动组织的阻力。

the centrifugal force developed by the rotating flyweight sis translated into an upward force that lifts the plunger.

旋转飞锤产生的离心力转换成一个向上的力，以便提起柱塞。

any body abovementioned the earth will fall unless it is supported by an upward force equal to its weight.

地球上的任何物体都会落下来，除非它遭到一个大小与其重量相等的力的支持。

Analyzed from the stress angle, the lathe-bed is mainly imposed by a vertically upward force, moreover, the lathe-bed is not slender, so the direction of tangential stress should not be ignored.

从床身的受力角度看来，床身主要受到垂直方向上的力，而且床身不是细长的结构，切应力的方向不能忽略。

this spring provides an upward force to the upper stem and pulls the stem's sealing ridge into the packing ring.

弹簧提供一个向上的力给上阀杆，把阀杆的密封凸起推进垫圈。

let p represent the upward force exerted on the ball by the man in the throwing process.

令P为抛球时人手作用于球而向上的力。4.Film in light of the poetic images which show that people with the spirit of the upward force, it is not easy.影片能在淡淡的诗意化的画面当中显示出残疾人精神向上的力量，是很不容易的。

To force ( air ) upward from Earth's surface, as when front overtakes and undercuts warm front.

使(气旋等)锢囚迫使 ( 空气 ) 从地球表面上升, 如在冷锋压过并削弱暖锋时.

the upward force of a liquid is called buoyancy , which can keep some objects up

液体向上的力称为浮力，它能使某些物体不沉下去。

Likethe wings of an aeroplane will the wind cause an upward lift force to the wings.

一样的翅膀的飞机将导致风向上升力的翅膀.

The spinning of the propellers generates the necessary lift , or upward force, to raise the platform.

螺旋推进器快速旋转,生成必要的上升力, 使平台升起.

the upward force that a fluid exerts on an object less dense than itself.

施加给比自己密度小的物体的向上作用的力。

after the water absorption of heat tube temperature decreases, proportion, forming a upward force, constitute a hot siphon system.

吸热管内的水吸热后温度升高，比重减小而上升，形成一个向上的动力，构成一个热虹吸系统。