加工配制中，弯制单轨吊车梁弧形段时应圆滑过渡，其两端直线段应大于单轨吊车梁截面高度的1.5倍。
参考答案：错
Now more and more children leave their parents when they grow up.
It makes the old feel .
A．alone
B．lonely
C．frightened
D．enjoyable
6502电气集中电路KJ的作用是记录进路的始端和防止信号自动关闭。
