() is not usually used in liquid cargo sys
题型:单项选择题
问题:
() is not usually used in liquid cargo systems.
A.Hydraulic drive systems
B.Electric drive systems
C.Steam drive systems
D.Man-powered drive systems
() is not usually used in liquid cargo systems.
A.Hydraulic drive systems
B.Electric drive systems
C.Steam drive systems
D.Man-powered drive systems