The packing time, cooling time and packing pressure are the most important factors.

其中保压时间、冷却时间及保压压力是最重要的因子。

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Compared by calculating the pressure drop structured packing is far less than the bulk of solid catalyst packing pressure drop, fully reflects the low pressure drop structured packing characteristics.

通过计算对比规整填料的压降远远小于固体散装催化剂填料的压降，充分体现出规整填料低压降的特点。

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The designer may lower the pressure on the packing by placing a throat bushing in the pump case (Figure).

设计者可在泵壳内放置喉道补心以降低在填料上的压力(图)。

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The bombs appeared to have been built by packing the pressure cookers with a black powder explosive as well as nails and pellets to maximize casualties, a lawmaker briefed by investigators said.

WSJ: Boston Bomb Clues Surface: Lethal Devices Believed Built From Pressure Cookers; Hotels, Rentals Canvassed

In the past, the U.S. government has warned federal agencies that terrorists could turn pressure cookers into bombs by packing them with explosives and shrapnel, and detonating them with blasting caps.

CNN: Healing in Boston as investigators seek 2 seen near bombing

The U.S. government has warned federal agencies in the past that terrorists could turn pressure cookers into bombs by packing them with explosives and shrapnel and detonating them with blasting caps.

CNN: Sources: Possible suspect sought in Boston bombing