管带机不能实现立体螺旋状弯曲布置。
参考答案:错
一条光线射到平面镜上,入射光线与镜面的夹角是40 °,如图所示.请画出反射光线.
The best job is one which uses your skill in doing something ______ your interest in the subject. [ ]
A. instead of
B. as to
C. except for
D. together with