Stretchers for use in aircrafts with fixed poles , non - folded ; requirements , test 飞机上用带固定横杆不可折叠的担架.要求试验
Insulators and fittings for overhead lines . metal fittings . twining and bracing rods 架空线路用绝缘子和器材.金具.双联杆和横杆
Stretchers for use in aircrafts with fixed poles ; foldable ; dimensions , requirements , test 飞机上用带固定横杆可折叠担架.尺寸要求检验
Both ends are designed with two groups four slots fixed with dustless platen . design idea 横杆两头分别设计有旋转安装除尘滚筒的2组4个卡槽。
Fences - specification for mild steel low carbon steel fences with round or square verticals and flat horizontals 栅栏.带圆形或方形竖杆和扁平横杆的低碳钢栅栏规范
The handrail is in addition to last form standard , which can accoding to customer ' s request arbitrarily certain 横杆数量除上表标准外,可按客户要求制作多于三条横杆以上的栏杆。
Lowered chassis rails protect the gearbox and lower the center of gravity , making the truck more stable at high speeds 较低的底盘横杆能保护变速箱和降低重心,使车在高速行走时更稳定
During the scaffold erection and when walking on the pipe rack , safety harness must be secured to the life line on the pope rack 脚手架搭设过程中和在管架上行走必须将安全带扣在设置好的横杆或生命线上
Their twenty pillars and their twenty sockets were of bronze ; the hooks of the pillars and their connecting rods were of silver 10帷子的柱子二十根,卯座二十个,都是用铜作的;柱子上的钩子和横杆,都是用银作的。
Connection between post , upper rail shall be mounted by taper pin or welding , the specified method refer to the details followed 立柱与扶手管、横杆间采用销钉固定或焊接固定的方式,具体的连接方式见后面的的详细要求。