正确答案: D

同轴度符合要求与否尚不定

题目：当轴系同轴度测量值δ总＜δ总max，φ总＜φ总max时，表明轴系的（）。

查看原题 查看所有试题

学习资料的答案和解析：

[单选题]当铁梨木艉轴承的轴承间隙超过极限间隙，但铁梨木板条的厚度仍在要求范围以内时，可采用（）方法修理。Ⅰ.更换艉轴；Ⅱ.更换艉轴铜套；Ⅲ.在艉轴承下瓦下面垫入整张铜皮；Ⅳ.更换艉轴承衬套；Ⅴ.在艉轴承下瓦上面垫入整张铜皮。

Ⅱ＋Ⅲ

[单选题]Each cylinder is closed at the top by a （）, made of a special heat-resistant steel.

cylinder cover

[单选题]It is necessary for us （） after having served for a certain period.

to analyze the lube oil

[单选题]The external circumference of a pair of main bearing shells is slightly （） that of the bore of the housing which receives them Whats the meaning of “that” in the sentence above？

larger than

[单选题]The viscosity regulator controls （） in order to provide oil at the correct viscosity for combustion.

the fuel oil temperature