Maguel
玛格尔式后张法, (后张法中)高强度钢丝的张拉锚固法
🗣️ 情景例句
We have done so much
我们已做了这么多的事
We never know the worth of water till the well is dry.
井干方知水可贵。
It was j-223,just double the second item.
j-223第二项的订量要加倍。