扩张杆 expanding bar

张力杆 tension rod ; tension lever

预张力锚杆 pretensioned bolt

吊杆张索 derrick guy

前桅张帆杆 foreboom

胀壳式张拉锚杆 expansion shell rock bolt

树脂张拉锚杆 tensioned resin grouted rock bolt ; resin tensile anchor bolt

回头张拉锚杆 return rock bolt

桁杆张网 two-stick swingnet

下桅驶帆杆船尾张索 lower boom afterguy