软横跨横向承力索和上、下部固定绳调整完毕后,杵头杆在螺帽处外露()。
A、20~100mm
B、100~120mm
C、130mm
D、150mm
参考答案:A
He started to explain, but she cut him short,_____ she had to catch a bus.
A.saying
B.said
C.to say
D.having said
BENZ508D的D代表汽油发动机。()