检定器 meaning in English

calibrator
detector

Verification regulation of calibrators for the level
水平仪检定器检定规程
Verification regulation of calibrator for railway offset gauge
铁路支距尺检定器检定规程
Verification regulation of wedge - feet calibrator for micrometers
斜块式测微仪检定器检定规程
Verification regulation of calibrater for railway track gauging rule
铁路轨距尺检定器检定规程
Automatic firedamp detector
自动沼气检定器

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