Bulk freight wagons with pressure discharge; pressure gauge with plate spring, radial bottom flange connection.
带压力卸料装置的散装料运货车。带板簧的压力计。径向。
Railway transport equipment. Connection for flange intercommunication for standard-gauge line stock. Size and fastening-measurements and tolerances.
铁路运输设备。标准轨距铁路车辆的法兰互联装置的连接。尺寸、连接测量和公差。
Metallurgical oxygen system pipe system, should use strict degreasing treatment, needle valve flange J29 Angle Pressure Gauge valve connection.
冶金系统中的氧气管路系统中，宜选用经过严格脱脂处理，法兰连接的针型阀。
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