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heat loss by convection 对流散热
The annular space between the outer tube and inner tube is evacuated to virtually eliminate heat loss by conduction and convection. 而介于外管与内管的真空环状部分是用来减少热散失的。
She says rescuers will first try to prevent additional heat loss by placing extra covering around a victim's chest, head and neck. 她说救援人员首先要在受害人的胸部头部和颈部盖上额外的覆盖物，试图防止额外的热量损失。
She says rescuers will first try to prevent additional heat loss by placing extra covering around a victim's chest chesses, head and neck. 她说首先，救援人员会通过在冻伤受害者的脸颊，头部和颈部放置额外的覆盖物来试图阻止其多余的热量丧失。
One of the ways to dissipate perspiration is by convection. 散发汗水的一种方法是通过对流作用。
She says rescure rescuers will first try to provent prevent additional heat loss by placing extra coving covering around a victim's chest, head and neck. 她说救援首先要通过保护胸部，头部，和脖子来避免额外的热量流失。
She says rescuers will first try to prevent additional heat loss by placing extra covering around the distance chess in act neta victim's chest, head and neck. 她说救援者首先要努力通过给受害者胸部，头，脖子围上东西来阻止额外的热流失。
To transfer(heat) by convection. 对流通过对流传（热）
How is heat passed in the air by convection? 热量是怎样通过对流在空气中传递的？
Foam insulation saves fuel by retarding heat loss. 泡沫隔离保温层通过阻止热量的流失,达到节约能源的目的。
The machine circulated hot air by convection. 这个机器使热空气通过对流来循环。
"Heat can be delivered by convection, radiation, and thermal conduction. 热气可由对流、辐射和热传导来传递。
Primary heat transfer shall be accomplished by convection through the reservoir wall to the pumped fluid. 最初的热交换应该通过贮存器壳与泵抽液体的对流来完成。
The insurance guarantees you against loss by fire . 这项保险是担保火灾之际的损失。
Heat loss can be reduced by enclosing the boiler in walls made of firebricks. 把锅炉放在用耐火砖制成的墙中可以减少热量的散失。
One of the ways to dissipate perspirationis by convection. 散发汗水的一种方法是通过对流作用。
The insurance guarantees you against loss by fire. 这项保险是担保火灾之际的损失。
A steam radiator is a good example of heating by convection. 蒸汽暧气片是一个对流加热房屋的好例子。
Thus heat loss is reduced efficiently. 因而有效地减少了热量损失。
He retrieved his losses by betting on a succession of winners. 他下的赌注连续获胜才挽回了损失。

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