Also includes non-twisting end tips and a metal bell cap.

还包括非扭结束技巧和一个金属钟帽。

The Penguin Handbell has a small metal bell inside its hollow interior.

企鹅手摇铃内部空心部分有一个金属球。

The structure and principle of a new type of the multiple induction furnace heater with bell jar type was introduced. Its application in heat treatment of the metal parts was also introduced.

阐述了一种新型钟罩式多炉膛感应加热炉的结构和工作原理，介绍了它在金属零件热处理中的应用。

The trap is commonly used for floats, thermal-power, free-float, double-metal-style, pulse, and so on-bell-shaped float.

常用的疏水阀有浮桶式、热动力式、自由浮球式、双金属片式、脉冲式、钟形浮子式等。