With flow through valve, primary disc opens away from diaphragm seal.
当流体通过阀门时，第一阀瓣开启，从隔膜密封上离开。
This article introduces the worked principle of disc-pipeline continuous conveyor, determines the structure of primary installation.
介绍了串联盘式管道连续输送设备的工作原理，确定了主要装置的结构。
It features a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing.
其特点在于第一止回阀采用一个橡胶阀瓣密合在相配的橡胶部件上，确保紧密的关闭。
Based on the primary functions of the DVD servo signal processing, it is given that the system structure of DVD servo chip, which is compatible CD and DVD and also has disc writing function.
在总结DVD伺服信号处理部分的主要功能的基础上，提出了可兼容dvd、CD并带有刻录功能的DVD伺服芯片的系统架构。
CONCLUSION: The optic disc formation is a sensitive factor in early diagnosis of primary open Angle glaucoma.
结论：视盘形态在原发性开角型青光眼早期诊断中是一敏感因素。
CONCLUSION: The optic disc formation is a sensitive factor in early diagnosis of primary open Angle glaucoma.
结论：视盘形态在原发性开角型青光眼早期诊断中是一敏感因素。
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