fixed boom crane

例句：

1. 1. The fixed boom crane isused for lifting heavy loads.
   固定式起重机用于吊起重物。
2. 2. Thefixed boom crane wasinstalled in the construction site.
   固定式起重机安装在施工现场。
3. 3. Thefixed boom crane isessential for carrying heavy materials.
   固定式起重机对于搬运重材料至关重要。