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method of trial and error
bridg.constr.	试凑法
construct.	试错〔试算，试凑，差试，试配，尝试，逐步逼近〕法
dril.	试凑法边试边改的方法
hydroel.st.	试算法; 试错法; 尝试法; 逐步逼近法
method of trials and errors
construct.	试错〔试算，试凑，差试，试配，尝试，逐步逼近〕法
econ.	试差法
hydroel.st.	逐步逼近法; 试算法; 尝试法; 试错法
tech.	试探和误差法; 试探法; 试凑法

method of trial and error: 2 phrases in 1 subject

Technology

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