分线设备按其用途可分为（）。
参考答案：室外电缆分线盒和室内电缆分线盒
影响装卸机械化系统选择的因素有()。
A.货物
B.运输工具
C.自然条件
D.港口建筑物和运输组织
English is a course for anyone in university, ______ his or her major or previous educational qualifications are.
A．whatever
B．whether
C．however
D．no matter
