在nsf checks這個產品中,有1篇Facebook貼文,粉絲數超過166萬的網紅Engadget,也在其Facebook貼文中提到,
#ICYMI: A town in Maryland is checking for clogs in sewer lines with a sound wave system funded by a grant from the National Science Foundation (NSF) ...
#ICYMI: A town in Maryland is checking for clogs in sewer lines with a sound wave system funded by a grant from the National Science Foundation (NSF) http://engt.co/29K0AdW
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