light-weight secondary crusher

例句：

1. 1. This new model of the light-weight secondary crusher is more energy efficient than its predecessors.
   这款新型轻量级二级破碎机比其前任更节能。
2. 2.The engineers have designed a light-weight secondary crusher that can crush large rocks with less force.
   工程师们设计了一种轻量级二级破碎机，可以在较少的力量下破碎大型岩石。
3. 3. The light-weight secondary crusher has been widely used in construction sites for its high crushing efficiency and low noise level.
   这种轻量级二级破碎机在建筑工地上得到了广泛应用，因其高破碎效率和低噪音水平而受到青睐。