| 摘要 |
<p>The trailer is for bulk material and has a chassis(1) mounted on wheels(3) and draw gear for a tractor(20). It has a platform(6) on which is a trapezoidal hopper(13), hinged on one of its upper sides to two vertical mountings on the chassis. There can be up to four hoppers, placed side by side. Each hopper can rest on the platform on legs and a bearing worked by a hydraulic ram, hinged to the platform. There can be pivoted posts at the rear of the chassis to unlock the hoppers.</p> |
