单选题If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.Aadd fluid that is the same color as the fluid in the reservoirBadd turbine oil because it is always a good substituteCadd any oil that has the same viscosity as the hydraulic fluidDcheck the winch manufacturers instruction book
单选题
If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.
A
add fluid that is the same color as the fluid in the reservoir
B
add turbine oil because it is always a good substitute
C
add any oil that has the same viscosity as the hydraulic fluid
D
check the winch manufacturers instruction book
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