loader block

例句：

1. 1.The loader block was a critical component of the machine's operation.
   装载机块是这台机器运行的关键部件。
2. 2.The engineer had to replace the loader block before they could continue working on the project.
   工程师在继续这个项目之前，必须更换装载机块。
3. 3.The loader block was designed to be easily removable for maintenance purposes.
   装载机块设计为易于拆卸，以便维护。