例句與造句

1. Percussive machine drilling
   沖喚鉆眼
2. The paper draws some valuable conclusions : the limited bearing capacity of manual excavation filling pile is much higher than the limited bearing capacity of machine drilled filling pile ; through grouting injection around the pile shaft , the pile bearing capacity can be effectively improved ; proportion of resistance force around the pile side in total load is much larger than that of pressure on the pile tip , and the intensity of resistance force around the pile side is 30 - 50kpa on average
   得出一些有價(jià)值的結(jié)論：人工挖孔灌注樁的極限承載力明顯高于鉆孔灌注樁的極限承載力；地下水位對(duì)樁基承載力有顯著影響；利用樁側(cè)注漿可有效提高樁的承載力；樁側(cè)摩阻力所占總荷載的比例遠(yuǎn)大于樁底壓力，樁側(cè)土的摩阻強(qiáng)度平均值為30 50kpa 。
3. It's difficult to find machine drilling in a sentence. 用machine drilling造句挺難的