North American tank trailer operator Trimac Transportation says that in 2012 it is beginning a 12-month trial of a new trailer type for hauling petroleum. The unit is a Super B trailer specially designed by and on loan from US manufacturer Polar Tank Trailer. Trimac says that the trailer could offer weight distribution and payload advantages, while adhering to the weight guidelines and dimensional laws of Canada, where Trimac is headquartered.
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机译：北美油罐车拖车运营商Trimac Transportation表示，在2012年，它开始对一种用于运输石油的新型拖车进行12个月的试验。该装置是由美国制造商Polar Tank Trailer特别设计并借用的Super B拖车。 Trimac说，拖车可以提供重量分配和有效载荷优势，同时遵守Trimac总部所在地加拿大的重量指南和尺寸法。
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