packing structure 填充物结构 ; 堆砌结构
ic packing structure ic封装
catalyst packing structure 装填结构
packing structure optimized design 包装结构优化设计
FCC opposite-phase close packing structure FCC反相密堆积结构
structure packing 规整填料
Introducing the properties of slab gate valve, analyzing the characteristics of the stem sealing, proposing the methods of improving packing structure.
介绍了平板闸阀的性能，分析了其阀杆密封的特点，提出了改进填料结构的方法。
V type packing structure has been employed to effectively transform the pushing force of the gland flange and the medium pressure into the sealing force against the stem.
阀杆采用V型填料密封结构，V型填料能将填料压盖的压紧力及介质力有效地转化成阀杆的密封力。
Even the packing structure of silica-based packings shifted in some cases when the packings were exposed to sudden changes in solvent composition or flow rate.
甚至一些硅胶基质填料在某些情况下，遇到突然的流动相组成或者流速改变时都会发生变化。
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