单项选择题 以下哪一项是负责采集镜头前的图像（）

单项选择题 主治胁痛、眩晕、经前期紧张症、月经不调、更年期综合征、眼病等的穴位（）

未知题型 工艺流程图process flow diagram: 为直观表示气体在站内具体流向，便于设计、操作和管理，按流体经过的管线、设备的次序，依据流动过程绘制的图形。In order to visually represent the specific flow direction of gas in the station and facilitate design, operation and management, the graph is drawn according to the flow process according to the order of pipelines and equipment through which the fluid passes.