38污水

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FCU冲洗组件三个 马桶下部

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污水箱真空泵也在同侧

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清水系统勤务参照AMM：

TASK 12-14-01-600-801 - Potable Water System - Drain

TASK 12-14-01-600-802 - Potable Water Tank - Fill

污水系统勤务参照AMM：

TASK 12-17-01-610-801 - Waste Tank Servicing

Q.E.D.