The vacuum flow-field of interceptor divert thruster is the important basis for designing. Its plume infrared is the important research object for defense.
拦截弹轨控发动机在真空中的流场可为其设计提供重要的理论依据，同时其喷焰红外辐射特性也是防御上的重要研究对象。
The driver used the dial mounted on the dash to control the flow of air into the vacuum chamber.
盘表控制进入真空管空气流量。
The placement of the glass cup creates a partial vacuum, which is believed to stimulate muscles and blood flow, while relieving pain.
这种放置方法会形成部分真空，据说这样能舒展肌肉，促进血液流通，从而缓解疼痛。
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