waterproof cement

基本解釋

They used waterproof cement to prevent water from seeping through the roof of the tunnel.
他們用防水的水泥防止水從隧道頂部滲入。
blog.sina.com.cn
They used waterproof cement to prevent water from seeping through the roof of the runnel.
他們用防水水泥來防止水從屋頂?shù)?排水通道裡滲透。
A new waterproof material, i. e. waterproof cement roof slab reinforced with vegetable fibre, is introduced in the paper and its process of development and properties as well.
本文介紹了一種新型防水材料即植物纖維水泥防滲漏屋麪板，闡述了該材料的研制過程及其性能。