求翻译：脚手板一般应设置在3根小横杆上，要铺满、铺严密，在两侧设置180mm以上高脚板，操作层上部护身栏杆1.2m高，下部护身栏杆距踢脚板0.6m处。是什么意思？

Scaffold boards should generally be set in three small crossbar, to be covered with tight Shop, set up more than 180mm high feet on both sides, the operation layer upper Body railings 1.2m high, the lower part of body 0.6m at the railing from the baseboards.

The headaches in general should be set in 3 small bar, to full, and rigorous, and in the side settings of 180 mm or more high-foot support, the operating level upper body rails 1.2 m high, and the bottom cover railings skirting from 0.6 m.

The stage plank should establish generally on 3 small cross rods, must spread, the shop fully is strict, establishes above 180mm in the both sides the high foot plate, on the operation level guard parapet 1.2m is high, lower part guard fence pole clearance skirtboard 0.6m place.

Feet on the Board should in General be set at 3 small cross bar, shop to shop full, tight, set 180mm on both sides over high foot, operation upper-body Rails 1.2m height, lower body over the fence at a distance of skirting 0.6m.

正在翻译，请等待...