为什么叫自卸车呢？
The Origin of the Term “Dump Truck” Historical Background of Dump Trucks Dump trucks began humbly. Early 1800s carts tipped by hand. Workers or animals powered them. Loads spilled out fast. Industrial growth demanded more. Mining needed speed. Construction wanted ease. Farming sought efficiency. By the late 19th century, horse-drawn carts tipped better. Their mechanisms were […]
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