drop pile hammer

常見(jiàn)例句

雙語(yǔ)例句

• The basic principle of simple high strain pile test method transformed from measured free fall of drop hammer is given in this paper.
  給出測(cè)量自由落錘的加速度換算高應(yīng)變?cè)嚇兜膭?dòng)力的簡(jiǎn)易法的基本原理、測(cè)試操作與工程應(yīng)用。
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