【单选题】Hardly ______ when a loud explosion was heard.
B.
the train had been started
【单选题】Hardly ______ when a loud explosion was heard.
B.
the train had been started
【多选题】在Solidworks软件操作中,综合建模基本立体拉伸特征操作都有哪些选项?
【单选题】Hardly ______ when a loud explosion was heard.A.the train had startedB.the train had been
A.
Hardly ______ when a loud explosion was heard. A.the train had started
B.
the train had been started
【单选题】欲使下图1所示的截面圆(其中图1种的Sketch在实体模型上底面的上方)创建图2所示的拉伸特征,最为合理的拉伸方式应是,【图片】
【单选题】汽车在正常行驶时,汽车的全部电器用电均由()供给。
【单选题】抗原抗体反应的特异性是指抗原决定簇和抗体分子什么区结合的特异性
【单选题】利用工法图曲线创建倒装复合模凹模3D实体时,拉伸方向应选择朝 ( )