Features include caller ID and three-way calling.

功能包括来电显示和三方通话。

This will mean installing a three-way motorised valve, a cylinder thermostat and making some changes in the pipe layout.

这将意味着安装一个三通电动阀，一个气缸恒温器并对管道布局进行一些更改。

This is just a three-way conditional.

这是一个三元条件。

It's a three-way market.

这便是三方市场模式。

This is the beginning of a three-way consulting contract.

这是三向咨询合约的开始。