liner cementing head

例句：

1. 1. The liner cementing head is used to seal the seams of the ship's hull.
   衬里水泥头用于密封船舶船体接缝。
2. 2. The liner cementing head was designed to improve the durability of the ship's hull.
   衬里水泥头的设计是为了提高船舶船体耐久性。
3. 3. The liner cementing head is a critical component of the ship's construction process.
   衬里水泥头是船舶建造过程中的一个关键组件。