【简答题】We wish to express our heartfelt gratitude to you for your kind cooperation.
【简答题】程控数字交换机的核心交换网络采用的是 接线器。
【判断题】we 'd better express a wish to establish a businessship when we have dinner with clients.
【判断题】双组分相图中恒沸混合物的组成随外压力的不同而不同。
【单选题】We wish to express our desire to trade with you in___ shoes.