例句 /

As economical and effective measures to ensure the construction quality, prime coat and slurry seal have been used widely in the highway construction.

As economical and effective measures to ensure the construction quality, prime coat and slurry seal have been used widely in the highway construction.

摘要公路透层、稀浆封层技术作为一种经济有效的预防性技术手段在高速公路建设中被推广应用。