DY type portable belt conveyor is a kind of high efficiency, the use of safe and reliable, flexibility good continuous transportation loading and unloading equipment.
DY型可移动式皮带输送机是一种工效高，使用安全可靠，机动性好的连续输送装卸设备。
With the continuous improvement of the living standards of Chinese people's way of life no longer limited to ordinary food, clothing, shelter, transportation.
随着国人生活水平的不断提高，人们的生活方式不再仅限于普通的衣、食、住、行。
It is the wide application of P. C. continuous curved box-girder bridge which has become an important bridge style in the transportation infrastructure.
预应力混凝土连续曲线箱梁桥应用日益广泛，已经成为现代交通基础设施的重要桥型。
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