单选题When the heavy fuel oil is heated to achieve the viscosity of 10-15 cst, may occur.To avoid this, a system is used in most occasions（）Aboiling and cavitations; low temperatureBboiling and cavitations; pressurizedCleaking and boiling; low temperatureDleaking and boiling; pressurized
单选题
When the heavy fuel oil is heated to achieve the viscosity of 10-15 cst, may occur.To avoid this, a system is used in most occasions（）
A
boiling and cavitations; low temperature
B
boiling and cavitations; pressurized
C
leaking and boiling; low temperature
D
leaking and boiling; pressurized
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