Read Edit View history 測風氣球 cèfēngqìqiú pilot balloon Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 测风气球/ 測風氣球 cèfēngqìqiú pilot balloon A balloon used to observe upper-air wind direction by tracking it from the ground with a theodolite. Edit Delete References Add reference No references for this word.
测风气球/ 測風氣球 cèfēngqìqiú pilot balloon A balloon used to observe upper-air wind direction by tracking it from the ground with a theodolite. Edit Delete