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The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声装置结构,主要通风机的阻力损失响小,防尘、防潮及降噪效,可广泛的应用于煤矿主要通风机的消声降噪。

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non-linearity, nonlinearized, nonlineartheory, nonliquet, nonliquid, nonliquidity, nonliterary, nonliterate, nonliving, non-living, nonloaded, nonlocal, nonlocality, nonlocalizability, nonlocalizable, nonlocalized, non-localized, nonlocating, nonlocking, non-locking, non-lodging, nonlogarithmic, nonlogical, nonloss, non-loss, non-lubricating, nonluetic, non-luminance, nonluminescence, nonluminous,

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3G, 401(K), a,

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In the noisiest areas, mechanical ventilation will have to be installed in the exterior walls.

在噪音最大的地区,外墙必须通风

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航海英语听力

26.the natural ventilation exhaust with damper to be proveded for control room.

有风门的自然通风排气在控制间。

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奇思妙想科学站

Our waste could be employed to fertilize the soil we grow our vegetables with, we'd just need to install some sort of ventilation.

的废物可以用来给我蔬菜的土壤施肥,我只需要通风即可。

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Vicky

Modern teaching practices, the organization of desks in the classroom, poor classroom acoustics, and mechanical means of ventilation such as air-conditioning units all contribute to the number of children unable to comprehend the teacher's voice.

现代教学实践、教室课桌的布置、教室声学效果差以及空调等通风都导致儿童无法理解老师的声音。

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non-natural, nonnavigable, non-navigable, nonnegative, nonnegotiable, non-negotiable, nonneoplastic, non-Newtonianism, nonnitrogenous, non-nitrogenous,

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3G, 401(K), a,
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