Based on the technical requirements of the rail flaw detection car, a new type of test carriage has been developed by investigating the structures of the worldwide existing test carriages.

在研究国内外现有探伤小车结构的基础上，结合新型钢轨探伤车中试实验车对探伤小车的总体技术要求，研制出了一种新型的探伤小车。

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Camborne Hill was the venue for the carriage's test-run, on Christmas Eve - an event celebrated in a well-known Cornish folk song of the same name.

BBC: Camborne celebrates inventor Richard Trevithick