Lub npe nrov zoo tshaj plaws Caculating Roj Lub chaw muag khoom Lubrice useratory Chaw muag khoom - Jianhe
Muaj npe nto npe zoo tshaj plaws ntawm Regulating Roj Lubrication tshuab tsim khoom-Jianhedetail:
Khoom Qhia:
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Phau Ntawv Qhia Yam Khoom Qhia Txog:
Peb muab lub zog zoo nyob rau hauv siab - Kev ua tau zoo thiab kev nce qib, cov khoom lag luam, peb tau ua lag luam kom tau raws li txhua tus neeg hauv tsev thiab txawv teb chaws txoj kev koom tes. Peb ua siab ntev cia siab ntev ntev ntev ntev - Toubation nrog koj txhua tus nyob rau hauv lub hauv paus ntawm kev sib nrig sib pab thiab kev loj hlob.