公司管理层之间的权力交接正在顺利进行。

The company is undergoing a smooth ___power transfer between management teams.

新的变压器提高了电力传输的效率。

The new transformer improves the efficiency of ___power-transfer.

这台机器通过链条实现动力传输。

This machine uses a chain for ___power transfer between its parts.