Hand in

Problems bother Jiang

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Chen has been a long time

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�The transportation of materials is too laborious

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Where

� Use ground rhinoceros

also

Can't meet his needs

beg

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Too slow

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Place

He followed earlier

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My grandfather also bets

Not exactly saying

Play

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He had already studied it in his mind.

The idea of ​​a car

�

�

But

The research on alloys is still in the initial stage

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Rubber

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None

Steel pipe

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No machine tools

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�生

Production capacity

Far from reaching

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�Iron

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Not enough

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�

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Until now

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�Iron

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There is

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�The machine tool is also

Have it

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Rubber and cold drilling technology

The technique should be researched soon

�

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Just plan the car

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Moved

�

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However

�The car is definitely not the same

It can be done in two days

�The out

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River

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Chen Shangyi

Although I have seen steam locomotives in the museum

�

� Also

After listening to the general introduction

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But

Just one

�

Half-explanation

�Already

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�

�

And

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Steam locomotive is just one

Part

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�Construct iron

The road is also a big project.

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To be continued...