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别在这里钻井,下面有燃气管道。
Don't drill here, there's a gas pipe.
youdao
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功能及用途:安全保护。广泛应用于燃气管路中。
Function & application:Gas safety protect. It is widely used on gas pipeline.
youdao
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功能及用途:安全保护。广泛应用于燃气管路中。
Function & application:Gas safety protect. It is widely used on gas pipeline.
youdao