在用户处的固定管道组能够储存更大量的氢。
Stationary tube or hydro tube modules store larger quantities of hydrogen at customer locations.
现在的目标是怎样构建20公里长的芳纶管道，并用一个或多个气球带动并固定管道。
The current proposal sees the construction of a 20km Kevlar pipe tethered by one or more balloons.
自然水资源通常不能满足草皮正常生长的需水量，因而，在草坪中，广泛采用固定管道式喷灌系统进行人工补水。
The natural water resources usually cannot meet the normal growth of the turf to water. Thus, the fixed pipeline type sprinkler irrigation system is widely applied to make up the water in turf.
应用推荐