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。
应用推荐