Holland's system received a severe test when a truck loaded with chemical substances caught fire in the tunnel and exploded.
当一辆装满化学物质的卡车在隧道中起火并爆炸时，霍兰德的系统受到了严峻的考验。
2
A truck refrigeration system must have sufficient capacity to remove heat generated by the sources described below.
一辆车辆制冷系统必需要能产生足够量的冷量来去除由下述热源所产生的热量。
3
Boeing will finish designing the truck laser weapon, and then build and evaluate a rugged beam-control laser weapon sight system on a heavy expanded mobility tactical truck.