When the tank is filled, it will fill in all the gaps and pull the plastic tight.

当水箱灌满之后，塑料膜就会填塞所有的缝隙并且拉紧。

youdao

Due to the technical improvement of several years ago, transportation through Golmud-Lhasa pipeline has undergone the transition from the floating tank process to the tight line process.

格拉管线几年前进行了维持性技术改造，实现了由“旁接罐”流程为主向“泵到泵”密闭流程为主进行顺序输油的转变。

youdao