With the guide from RoR and Gumboots,I copied all the .car , .lco of those engines and two.PK4 to English version(1.05),and opened sandbox,the answer is:they were work!
![YeHaa ::!**!](./images/smilies/brain_yahoo.gif)
However,there were still some problems.They don't have thumbnails(as what you can see in the attachment).The original names were Chinese,so the became messy code such as "o with two dots on it"(I can't type this letter).
What's the next step?@Gumboots @RulerofRails @Hawk