正确答案: A
直线校中
题目:根据轴系理论中心线,将轴系各轴承的中心线布置成一条直线,这一过程称为()。
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学习资料的答案和解析:
[单选题]按轴承允许负荷原理校中时,各轴承的连线是()。
曲线
[单选题]艉轴铜套的长度一般不超过()mm,否则应分段制造。
600~1000
[单选题]In the four-stroke engine, it takes () to make one power stroke.
two revolutions
[单选题]It is necessary to remove () from the cooling spaces.
scale
[单选题]The injector pump is operated by a cam which drives the plunger ().
up and down
[单选题]If you don’t understand the meaning of the technical terms of the diesel engine, you can () the dictionary of machine technology.
consult
[单选题]The minimum speed an engine must attain before ignition can occur depends upon ().
all of the above