The survey vessel completed its plumbing of the channel before the cargo ships arrived.

測量船在貨輪抵達前完成了航道的水深測量。

Accurate plumbing of the port is required before the shipping company approves a new route.

航運公司核准新航線之前，必須先對港口進行精確的測深。

The cruise line delayed departure until plumbing confirmed the bay was deep enough for docking.

郵輪公司延後出發，直到測深結果確認海灣深度足以停靠。