题目内容
（请给出正确答案）
[主观题]
The degree to which the viscosity of an oil will change with a change in temperature is in
dicated by the _____.
A.weight designation
B.viscosity index
C.pour point
D.thermal change value
如搜索结果不匹配，请 联系老师 获取答案
A.engine overload
B.low combustion temperature
C.plugged fuel nozzle holes
D.excessive compression pressure
