求翻译：4）放空区：分为清管区放空系统及压缩机区放空系统，清管区设设置1座放空立管，压缩机区设置1座放空火炬，设电点火设备和火炬头，电点火设备应能实现现场手动点火功能。是什么意思？

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4) into the air district: divided into the district area into the air system and compressor system into the air, the District set up into the air, Block 1 riser, compressor settings, Block 1, empty torch electric ignition and torch head, electric ignition device should be able to achieve on-site man

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4) venting areas: divided into districts venting system and venting systems of the compressor of the Qing dynasty, Qing districts set set the vent riser block 1, the compressor set 1 released flare, located electrical ignition device and the torch head, electrical ignition device should be able to i

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