The maintenance team scheduled drainage of the office water tanks for Saturday morning.

維修團隊安排在週六早上將辦公室水塔排空。

Before shipping, complete drainage of all fuel containers is required by the carrier.

依貨運公司規定,出貨前所有燃料容器都必須完全排空。

The hotel pool will be closed this week for drainage and routine cleaning.

飯店游泳池本週將關閉,進行排水及例行清潔。