steel motor lifeboat

例句：

1. 1. The steel-hulled lifeboat was designed to be more durable than its competitors.
   这种钢制动力救生艇的设计比它的竞争对手更耐用。
2. 2.The steel-hulled lifeboat was deployed in the stormy waters to rescue the trapped passengers.
   在暴风雨的水域中部署了这种钢制动力救生艇，以营救被困的乘客。
3. 3.The steel-hulled lifeboat was a critical piece of equipment during the search and rescue operation.
   在搜救行动中，这种钢制动力救生艇是至关重要的设备。