平地機能做什麼事呢? 從這本書中你可以找到你所想要的答案喔! Tonka系列都是在描述不同的卡車, 從托吊車, 救護車…等等, 對於喜歡汽車的小朋友, 是千萬不能錯過好書。
What happens when you're in the driver's seat of a big Tonka grader? It's a tough truck with a big blade and an important job! When a road is build, a grader shapes and smooths the surface before paving, helps make drainage ditches, and more. In this imaginative and fun adventure, learn what it can do!