But you can't just change that one piece, because each new version is a different shape.
但是你不能单单换那块东西，因为每种新版本都有不同的形状。
The shape: a wire just like the crawling snake. It can be made arch or flat for different purposes.
形状：一条如同爬行的蛇的钢丝。可以根据不同需求做成拱形和平簧。
The shape: a wire just like the crawling snake. It can be made arch or flat for different purposes.
形状：一条如同爬行的蛇的钢丝。可以根据不同需求做成拱形和平簧。
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