【单选题】Luis says, "Hi, Jiao. This is Luis Mendez." Jiao says, "_________________."
【简答题】液压泵的排量是指 。液压泵的实际流量比理论流量 ;而液压马达实际流量比理论流量 。
【单选题】What are Kate and Luis talking about?
B.
Luis's new project director
【单选题】Como Luis ______ resfriado, ______ a clase de hoy.