The low pressure header shall be brass and shall be near the panel floor with drain valves and tundishes piped to a drain.
低压力头应黄铜，并应靠近排水阀和中间包输送到一个排水板地板。
The low pressure header shall be brass and shall be near the panel floor with drain valves and tundishes piped to a drain.
低压力头应黄铜，并应靠近排水阀和中间包输送到一个排水板地板。
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