whichadj.哪一个;哪一些pron.哪一个;哪些
Which set is yours?全裂
Which berth is mine?贯通面
Which is your trade?转接电平
Which do you prefer?直达货物
Which is your local?过境道路, 直达路线
Which bus to I take?穿越故障
Which is more quiet?直通阀
Which team is which?贯通误差
Which car are we in?被搭接管
Which radio is his ?直通接头,直通接线装置