通信线路跨越通航的河流,在最高洪水位时导线距船帆顶点的最小距离为()米
A.1
B.2
C.3
D.4
参考答案:A
Explain the meaning of the following terms in company law:
(a) a debenture; (3 marks)
对于精度要求较高的拉深件,可采用负间隙法拉深,其拉深间隙值可取()板料厚度。
A.0.95~1.0
B.0.9~0.95
C.0.85~0.9
D.0.8~0.85