| 摘要 |
A transport vehicle includes a tractor portion, a trailer portion connected to the tractor portion, supply lines extending from the tractor portion to the trailer portion, and a protective tubing having an outer casing and extending from the tractor portion to the trailer portion and enclosing the supply lines. The vehicle further includes a night-time safety system carried by the transport vehicle and including a visual signal unit attached to the outer casing.
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