题目内容
（请给出正确答案）
[主观题]
The cast iron guide-ways for _____ are attached to the top section and seal off the crankcase.
A.the connecting rod
B.the cross-head
C.the piston rod
D.the air box
提问人：网友lky3340352
发布时间：2022-01-07
题目内容
（请给出正确答案）
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第2题
The following image is a photomicrograph of . [图]...
The following image is a photomicrograph of .![The following image is a photomicrograph of . [图].](https://img2.soutiyun.com/shangxueba/ask/21030001-21033000/21030015/25c6970-chaoxing2016-1065601.png)
A、grey cast iron
B、pig iron
C、white cast iron
D、wrought iron
第5题
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Cast iron carrier rings, _____ machined grooves, are provided for all the pistons.
A.caulked into
B.caulking into
C.pressed into
D.screwed into
第7题
Cast iron can be classified into four categories: gray cast iron, white cast iron, nodular cast iron and ______ cast iron.
A.Black
B.Yellow
C.Ductile
D.Malleable
第8题
An alloy of iron with more than 2% carbon is called .
A、carbon steel
B、alloy steel
C、cast iron
D、tool carbon steel
第10题
19 填空In white cast iron, most carbon exist as （渗碳体),which is a interstitial compound of carbon and iron.
第11题
Cold clearances between the skirt of an aluminum piston and the cylinder liner is about __
__________________.
点击查看答案
A.twice as large as with a cast iron piston
B.the same size as with a cast iron piston
C.half as large as with a cast iron piston
D.the same size as the crown of an aluminum piston
