正确答案: B

30

题目：低速柴油机的最低稳定转速不高于标定转速的（）%。

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学习资料的答案和解析：

[单选题]桨叶平均螺距是桨叶（）螺距的算术平均值。

各半径截面的截面

[单选题]（） are generally formed in the frame of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing.

Doors

[单选题]For Vee-form engines, （） is shaped to given two slopping surface on which （） are placed at the correct relative angle to each other.

the top of the column；the cylinder blocks