正确答案: A
小/大/大
题目:废气锅炉窄点越(),锅炉受热面就越(),藜发量越()。
查看原题 查看所有试题
学习资料的答案和解析:
[单选题]活塞运动部件在船上安装前,应在车间平台对其位置精度进行复验,以保证()。
其与固定件的对中性
[单选题]柴油机在运行中一旦发生连杆螺栓断裂则可能导致()损坏。Ⅰ.活塞、连杆;Ⅱ.缸套;Ⅲ.机架;Ⅳ.曲轴。
Ⅰ+Ⅱ+Ⅲ+Ⅳ
[单选题]Cast iron carrier rings, () machined grooves, are provided for all the pistons.
caulked into
[单选题]Which of the following conditions can cause above normal air temperature to develop in the intake manifold of a four-stroke/cycle turbo-charged diesel engine?()
A defective after-cooler
[单选题]A diesel engine cooling water system with a pH factor of 30 indicates a condition of ().
excessive acidity