Sampling is key and base approach in freeway construction, is very important to quality control.

取样是高速公路建设过程中的基础一环，对沥青路面质量控制具有举足轻重的地位。

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Sampling is key and base approach in freeway construction, is very important to quality control.

取样是高速公路建设过程中的基础一环，对沥青路面质量控制具有举足轻重的地位。

youdao