2. For skin contact with
cryogenic liquid helium, remove any clothing that may restrict circulation to the frozen area.
如果皮肤接触到低温液氦,脱掉任何可能限制冻伤区域血液循环的衣服。
3. We want to buy High Pressure Industrial Gas Cylinder, Cryogenic Tank, Cryogenic Pump, Valve, Regulator, Weldind Equipment Industrial Cylinders.
我们要采购高压力工业的煤气圆筒,低温的战车,低温的泵,阀门,工业设备。