a点的电位是正2伏,b点的电位是负3伏,a、b两端的电压是()V。A.2 B.3 C 发布时间:2019-08-07 01:40 │ 来源:www.tikuol.com 题型:单项选择题 问题: a点的电位是正2伏,b点的电位是负3伏,a、b两端的电压是()V。A.2B.3C.6D.5
题型:单项选择题 when the traders discuss the time of shipment in the contract,the exporter should consider whether he can get the goods ready before the shipment date and whether the ship is available if the goods are ready.( ) 查看答案