求翻译：在 pipe下方垫两根150mm高的枕木, 每层10根左右, 每堆4层, 堆放整齐并用木刹固牢以防滚落伤人. 运输采用经改装劳动板车进行是什么意思？

Pipe below the pad two 150mm high sleepers, each about 10 per reactor 4, neatly stacked with wooden brake solid prison to prevent rolling wounding transport using the modified labor dray

Below the pipe mounts two 150 mm height, 10 blocks, each root, a 4-story, wood halt neatly stacked and secured to prevent rolling off injured people, transport in the modified labor board car

Fronts two 150mm high railroad ties underneath pipe, about each 10, each pile of 4, the stack neat and with wooden check the solid jail to guard against tumbles offends somebody. The transportation uses after the re-equipping work animal-drawn cart carries on

Mat below the pipe two 150mm high sleeper, each layer about 10 pieces, each pile of 4 layers, stacked neatly with wood brakes solid in jail in case tumble wounding and serious assault. Transport adapted to labour flated cart

正在翻译，请等待...