Their missile silos are below ground.

他们导弹发射井在地下。

Abstract: Objective To investigate the results of staged silo closure for gastroschisis.

目探讨用硅塑囊分期治疗腹裂临床疗效。

The paper mainly introduces the construction process, the design point, the process control method and the construction organization of concatemer silo slip form.

重点叙述多联体筒仓滑模施工工艺流程、滑模设计点、关键工序控制方法、施工组织方法。

Plymesh aeration pads are used to fluidize and to optimize the flow rate of powdered and pulverized products in silos and in bunkers.

使用合网通风垫后，地上式青贮槽末可实现流体化，流速达到最佳化。

1991 The technique design plan machinator and maker of the first gas-tight fumigation double profiling silo of China in Tianjin Xizhan Grain Depot.

1991年天津西站粮库国第一座熏蒸式螺旋咬边钢板仓技设计方案策划者、制定人。