| 释义 |
subsurface illuminator
- 表面下的biǎo miàn xià de
subsurface
- 集光镜jí guāng jìng
illuminator
- 照明之人zhào míng zhī rén
illuminator
- 反射镜fǎn shè jìng
illuminator, reflector, reverberator, specula, speculum
- 井下安全阀jǐng xià ān quán fá
subsurface safety valve; DHSV(downhole safety valve)
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