| 摘要 |
A metal track for crawler vehicles, the track having a metal chain hinged with substantially rectangular metal shoes, each of which has a work surface with arrow-shaped teeth defined by a front portion of one arrow-shaped tooth and a rear portion of another arrow-shaped tooth spaced apart on the work surface and complementary in shape; each portion of arrow-shaped tooth cooperating with a complementary portion on a respective adjacent shoe to define a complete arrow-shaped tooth.
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