【简答题】自由锻造的基本工序主要有()、()、()、()、()、等,自由锻造按使用设备不同,又可分为()和()。
【单选题】What is the price at which the quantity of goods demanded and the quantity of goods supplied are equal?
【多选题】下列哪些是复合管的组成原则?( )
A.
在正确的外加电压下,每只管子的各极电流均有合适的通路,且均工作在放大区或恒流区;
C.
为了实现电流放大,应将第一只管子的集电极或者发射极电流作为第二只管子的基极电流。
【简答题】A) The price of the product. C) The delivery of his order. B) The charge of the service. D) The packing of the goods.
【单选题】The price of goods has kept rising ________ the wages of the workers remain the same.
【单选题】The demand for goods depends totally on the price of demanded goods.
【简答题】自由锻造各种锻件,是采用工具在自由锻造设备上进行的。它的基 本工序有: 镦粗、 ()、冲孔、()、()、 扭转和错移等。
【简答题】自由锻锻造设备有( )、( )和( )三大类。
【单选题】The price of goods has kept rising ____ the wages of the workers remain the same.