. 工程机械之装载机的英语翻译Unit 8 Loaders装载机8.1 Overview概述8.1.1 Basic Concept .基本概念A loader is a type of construction equipment (engineering vehicle) machinery that is primarily used to load material into another type of machinery (dump truck, conveyor belt, rail-car, etc.).Loaders are used mainly for uploading materials into trucks, laying pipe, clearing rubble, and digging. A loader is not the most efficient machine for digging as it cannot dig very deep below the level o