A new type direct shear apparatus was designed as a basic laboratory instrument to solve this problem.

新型路面直剪仪正是为解决这一问题而设计开发的一种基础试验仪器。

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A new type direct shear apparatus was designed as a basic laboratory instrument to solve this problem.

新型路面直剪仪正是为解决这一问题而设计开发的一种基础试验仪器。

youdao