水泥浆的密度和流量是固井施工过程中的两个重要参数.Mud fluid's density and flow are two important parameters during well cementation.砖可以干铺,也可以水泥浆砌合.They can be laid dry or with cement grouting.因此, 决定采用化学发气泡沫水泥浆封固气层.Thus, chemical gas foamed ...
The buccaneers remained rooted to the ground, their eyes starting from their heads.海盗们一下子像在地上生了根, 眼珠都快掉下来了.This was the island where buccaneers hid their loot.这是过去海盗们藏赃物的岛屿.There were six of the buccaneers; another man w...
This substance has now been cloned by molecular biologists.该物质现在已被分子生物学家克隆。Syria will attend only if the negotiations deal with issues of substance.只有在谈判涉及重大问题时叙利亚才会参加。There is no substance in any of these allegations.这些...