Appropriate in the gas, liquefied petroleum gas, natural gas, the transmission connection.
适当于家用煤气，液化气，天然气等的输送连接。
Easy to cause fire and poisoning please close the liquefied petroleum gas immediately. \n openjumper ";"
容易引起火灾和中毒请立即关闭液化气。
Easy to cause fire and poisoning please close the liquefied petroleum gas immediately. \n openjumper ";"
容易引起火灾和中毒请立即关闭液化气。
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