按键式电话机的整流、滤波一般在（）电路中采用。 ["通话","振铃","受话","发号"]
桥式起重机电动机轴与减速器输入轴不同心会引起（）。 ["转子温度升高","电动机在运转时振动","电动机在运转中声音不正常","电动机在运转时均匀过热"]
低预算
文献流通率
int index = 1； int foo = new int ； int bar = foo [index]； int baz = bar + index； What is the result？（） [" Baz has the value of 0"," Baz has the value of 1"," Baz has the value of 2"," An exception is thrown."," The code will not compile."]
沙土液化
