gate-type coal grab

例句：

1. 1.The gate-type coal grab is a versatile tool for loading and unloading heavy materials.
   门式煤抓斗是一种用于装载和卸载重物的多功能工具。
2. 2.In this project, the gate-type coal grab was used to transport large amounts of coal.
   在这个项目中，门式煤抓斗被用来运输大量的煤炭。
3. 3. The gate-type coal grab has become an essential piece of equipment in many industrial operations.
   门式煤抓斗已经成为许多工业操作中必不可少的设备。