正确答案: B
δ=0、φ≠0
题目:相邻轴轴心线相交,但相邻轴两法兰中心对准,其连接法兰处偏中值为()。
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学习资料的答案和解析:
[单选题]常见气阀的损伤有()等。Ⅰ.气阀阀盘锥面;Ⅱ.阀面的烧伤与高温腐蚀;Ⅲ.阀盘与阀杆的裂纹;Ⅳ.阀杆的弯曲变形;Ⅴ.阀杆的磨损。
Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅴ
[单选题]() allows for expansion and water make up in the water cooling system.
A head tank
[单选题]A single piece() fitted with bronze rings guides the piston in the cylinder liner.
piston skirt
[单选题]The engine is started with () supplied from air receivers.
compressed air