manual jaw crusher

例句：

1. 1.This manual jaw crusher is suitable for crushing various ores.
   这款手动颚式破碎机适用于破碎各种矿石。
2. 2. The manual jaw crusher has a high crushing efficiency and is widely used in the mining industry.
   手动颚式破碎机具有很高的破碎效率，广泛应用于采矿行业。
3. 3. Manual jaw crushers are often used in small-scale mining operations where manual labor is required.
   手动颚式破碎机常用于需要手工劳动的小规模采矿作业中。