本发明的成孔剂是挠性和高度弹性的，这些性质抑制了颗粒在挤出过程期间的破裂。
The pore formers of the present invention are flexible and highly elastic, which inhibits rupture of the particle during the extrusion process.
该系统可对石英摆片的摆幅、摆频、扭幅、扭频、台阶高度和挠性梁刚度等实现自动测量。
This system can be used to measure the quartz pendulous reed's pendulous frequency, pendulous amplitude, torsional frequency, torsional amplitude, flexible bridge rigid, and so on.
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