double conical rotary vessel

例句：

1. 1. The double cone rotor is used in the oil refining process to improve the efficiency of oil extraction.
   双锥转子在石油炼制过程中被用来提高油提取的效率。
2. 2. The double cone rotary pump is widely used in chemical industry for its high capacity and low energy consumption.
   双锥回转泵因其高容量和低能耗而被广泛应用于化工行业。
3. 3. In the mining industry, the double cone rotary vessel is a crucial tool for handling heavy ore.
   在矿业中，双锥回转式容器是处理重矿石的关键工具。