Then, we glued it again, and added some ice on the cold copper of engine, but the problem of gas-tightness didn't be figured out. And, camshaft is not good enough.

后来，我们再用胶水补好，冷却板也加了冰块，但是气密性的问题还没有解决，另外，凸轮轴也做得不够好。

youdao

Then, we glued it again, and added some ice on the cold copper of engine, but the problem of gas-tightness didn't be figured out. And, camshaft is not good enough.

后来，我们再用胶水补好，冷却板也加了冰块，但是气密性的问题还没有解决，另外，凸轮轴也做得不够好。

youdao