More severe cases may be treated with a CPAP machine, so named because they maintain constant positive air pressure to the wind pipe to help users breathe easy at night.
严重一点的患者可能就得用CPAP机来治疗了，人们给它取这个名字是因为它能够给气管提供稳定的空气压力，借以帮助患者在夜间呼吸。
Describes techniques that administrators can use to maintain security policy on a machine or in an enterprise.
说明管理员可用来维护电脑或企业安全性原则的技术。
Odorization pumps are specially designed diaphragm plunger metering pump, plunger travel of the exercise machine lock, each time to maintain a constant output.
加臭泵是专门设计的隔膜式柱塞计量泵，柱塞的运动行程机械锁定，每次输出量保持恒定。
In addition, this kind of hydraulic pumping unit will be simple and convenient to machine, operate and maintain, because the double-acting hydraulic cylinder will be replaced by a plunger cylinder.
此外，用柱塞缸取代双作用液压油缸，使这种液压抽油机具有加工简单、成本低、维护和使用方便等优点。
With the same amount of force as the inertia force to change the mechanic machine rotating position and to control the force pressed on the spring so as to maintain a certain spout touching force.
以与求得的力相当的量，通过改变电动机的旋转位置，控制弹簧的压缩量，而维持一定的喷嘴触力。
Precisely monitoring the gap condition is important for the machine control system to maintain a stable and high efficient machining process.
加工间隙放电状态的检测是电火花加工控制系统的一个关键环节。
Precisely monitoring the gap condition is important for the machine control system to maintain a stable and high efficient machining process.
加工间隙放电状态的检测是电火花加工控制系统的一个关键环节。
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