Cylinders can be supplied with standard valves for gas withdrawal or with siphon tubes connected internally to the valves for liquid withdrawal.
钢瓶可以配有用于气体提取的标准阀门或在内部连接到阀门的用于液体提取的虹吸管。
2
Valves provided for the withdrawal of liquid product are also equipped with standard CGA outlets but differ from connections used for gaseous withdrawal.
用于液体产品提取的阀门也配有标准的CGA的排气口，但它不同于用于气体提取的排气口。
3
Valves provided for the withdrawal of liquid product are also equipped with standard CGA outlets, but they are different than the connections used for gaseous withdrawal.