The discharge line must be the same size as the valve outlet, and must pitch downward from the valve to a safe place for disposal.
排泄管道必须与安全阀出口具有相同的口径，必须从安全阀的下方接到安全排放地点。
The drain pipe must be the same size as the valve outlet, and must pitch downward from the valve.
排泄管与安全阀出口必须有相同的通径，必须从安全阀开始垂直向下。
The drain pipe must be the same size as the valve outlet, and must pitch downward from the valve.
排泄管与安全阀出口必须有相同的通径，必须从安全阀开始垂直向下。
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