Los ntawm kev tswj cov txheej txheem kev tswj hwm, daim tawv nqaij tuaj yeem ua tiav cov plug thiab cov tsos. Thaum lub sij hawm cov txheej txheem, kev tso tawm ntawm cov dej sib txuas ntawm cov dej ntawm cov tawv nqaij ntawm daim tawv nqaij muab kev noj haus dej noo ntxiv. Raws li qhov tshwm sim, daim tawv nqaij tuaj yeem tuav lub xeev ci ci thiab translucent, rov qab ua nws cov hluas radiance. Tom qab kev kho mob, koj yuav tau txais ib qho du thiab ua kom zoo nkauj plooj (zoo li tus menyuam tawv nqaij.
Lub koob-dawb nyob rau hauv kev siv tshuaj lom neeg suptersonic ceev (450 meters / thib ob) kom nkag mus rau daim tawv nqaij nrawm nrawm, ua rau kev kho mob tsis zoo. Thaum lub sij hawm cov txheej txheem, tsis muaj kev sib cuag ncaj qha nrog daim tawv nqaij. Los ntawm cov pa hluav taws xob siab siv tshuab, ua rau muaj cov pa roj carular, txhim kho cov pa roj oxygenation, thiab txhim kho cov tshuaj nkag mus rau cov khoom xyaw nquag.
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