Machine main instrument is composed of a compressor air pressure gauge, pressure gauge, coolant cooling medium low pressure gauge;
机台的主要仪表由压缩机空气压力表、冷媒高压表、冷媒低压表组成；
And the pelite schist is the main rock type, and contains the classic medium pressure metamorphic minerals.
泥质片岩是工作区内分布最多的岩石组合，出现了典型中压类型的标型矿物及矿物组合。
Main structured items are: JDQM full face mask, air supply valve, pressure regulator valve, backboard, pressure gauge, alarming whistle, medium pressure tube, carbon fiber composite cylinder, etc.
主要结构有：JDQM全面罩、供气阀、减压阀、背板、压力表、报警哨、中压管、碳纤维复合气瓶等。
Main structured items are: JDQM full face mask, air supply valve, pressure regulator valve, backboard, pressure gauge, alarming whistle, medium pressure tube, carbon fiber composite cylinder, etc.
主要结构有：JDQM全面罩、供气阀、减压阀、背板、压力表、报警哨、中压管、碳纤维复合气瓶等。
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