差压式远传水位表应具有压力补偿功能，以保证各种工况下都能显示汽包中真实水位的变化。
Differential pressure remote water gauge should have pressure supplement function to ensure an actual indication of water line in the bubbles under all kinds of working circumstances.
本实用新型涉及一种头戴式显示器，尤其涉及一种可根据使用者视力差异，进行视度 补偿的头戴式显示器。
The utility model relates to a head-wearing type display, in particular to the head-wearing type display which can carry out visibility compensation according to vision differences of users.
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