单项选择题
A.in order that
B.because of
C.in order to
D.owing to
单项选择题 The viscosity regulator controls the （） of the fuel oil in order to provide the oil at the correct viscosity for combustion.
单项选择题 The viscosity regulator controls （） in order to provide oil at the correct viscosity for combustion.
单项选择题 The vessel is out of harbor and in “Full Ahead”We are going to run fuel oil instead of （） and open the fuel oil heater steam valve.