密封电真空器件的可靠性尤其重要，而影响其可靠性的主要因素是真空度。
Reliability of the sealed vacuum device is very important, and the main reason that affects reliability is its vacuum.
密封真空管的可靠性尤其重要，影响其可靠性的主要因素是真空度。
Reliability of the sealed vacuum tube is very important, and the main factor that affects reliability is its vacuum degree.
应用单片微机作为系统的控制单元，提高了密封罐头真空度无损检测系统的分选精确度和可靠性。
A single chip micro computer is used as the control unit of the system which improve classification accuracy and reliability for nondestructive test of Vacuum in the cans.
压差越大，即真空度越高，密封效果越好，体现了真空密封圈的自密封特点。
The greater the differential pressure, the higher the vacuum degree, and the better the sealing effects, which displays the self-sealing feature of the vacuum sealing ring.
压差越大，即真空度越高，密封效果越好，体现了真空密封圈的自密封特点。
The greater the differential pressure, the higher the vacuum degree, and the better the sealing effects, which displays the self-sealing feature of the vacuum sealing ring.
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