反应器的结构设计应满足哪几个条件?
堆垛机上下立柱升降导轨的直线度≤()mm ["1","2","3","4"]
菜用四季豆,属于(),果皮肉质化,含粗纤维少,当豆荚长大后果皮仍然柔软可食。 ["软荚类","硬荚类","肉荚类","玩荚类"]
灯笼辣椒果实呈扁行或圆筒形,果实大,果实基部凹陷;颜色有绿,红或黄,()。 ["味甜而平和","味辣而浓烈","微辣平淡","味甜微而辣或不辣"]
堆垛机行走水平导向轮与地轨间隙≤()mm ["2","3","4","5"]
何为轴向和径向反应器?其各有什么优缺点?