呼吸面具

Even then, there may be breathlessness requiring oxygen to be given by mask.

即使在当时，可能会有呼吸困难，需要氧气，以给予的面具。

Leno: Let me put the mask back on. I breathe better with it.

让我把面具载上，这样我会比较好呼吸

Shaw found the costume to be physically challenging during his scene; he had difficulty breathing through the two small holes in the quarter-inch thick Darth Vader mask that covered his entire face and head.

肖觉得这一幕中所穿的戏服是一个对身体的挑战；四分之一英寸厚的达斯·维德面具覆盖了他的整个头面部，他难以通过上面的两个小孔中呼吸。

The people noted with satisfaction, therefore, that—at the sight of the executioner and the bloodstained weapon in his hand—Hugh's face set in masklike calm, and though he carried himself well and forbore to tremble, they could see his breath come quick and hard.

因此，当人们注意到，修看见刽子手和他手中沾血的武器，面上纵然像戴了面具一样冷静，表现得毫不失礼，尽力克制着颤抖，呼吸还是越来越急促、沉重的时候，人们便满意起来了。

When fogging, use of protective goggles and respirator / mask is recommended.

当有雾时，建议使用防护眼镜和呼吸口罩/面具。

Do you want our children to live in a world where they have to wear masks just to breathe?

难道你希望我们的下一代住在必须戴上面具才能呼吸的地球上吗？

Sleep apnoea breathing therapy - Part 2 : masks and application accessories.

睡眠窒息呼吸治疗。第2部分：面具和使用附件

His fierce angular face mask that helped with his breathing is now a modified gas mask.

他的看上去很残酷的、有着棱角的面具，原本是帮助他呼吸的，现在成为一个改良了的防毒面具。

The breathing gear the med group had fashioned for the Invid was a jury-rigged affair of masks, tanks, and tubes, giving Tesla a decidedly elephantine appearance.

医疗队为因维人改造的呼吸装置是一套由面具、气罐和管子组成的临时设施，这明显让泰斯拉看起来是又粗又笨。

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH, and full protective gear.

穿上MSHA/NIOSH （美国安全和卫生管理局/美国国家职业安全卫生研究所）批准认可的的自给式呼吸面具和全身防护装置。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。