... 复位杆（回程杆）— return pin, push – back pin 挡钉 — stop pin, stop button 顶杆顶出 — pin ejection ...
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土钉支护是一种经济可靠、快捷简便的挡土技术。
Soil-nailed retaining is an economical, reliable, fast and handy retaining technique.
土钉支护作为一种新的挡土技术，因其经济可靠且施工简便快捷，已在我国得到迅速推广和应用。
As a new retaining system, the soil nail is more and more widely used in our country. It is a kind of economic, reliable technology and is convenient in construction.
我的窗户上面没有窗帘，所以我决定钉张海报放上面挡档太阳。
I have no blinds so I got a poster from my wall and stuck it to the wood on my window with nails.
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