Jan 09, 2023
Nyob Zoo Xyoo Tshiab
Ua tib zoo saib xyuas cov qhua ntawm Tianyingtai, Tuaj ntawm no thaum lub caij nplooj ntoos hlav Festival hnub so, peb lub tuam txhab yuav pib hnub so rau Lub Ib Hlis 16, thiab pib ua haujlwm rau L...
Ntau
Jan 06, 2023
Jan 06, 2023
Jan 02, 2023
Cov nqi xa tawm tau poob qis, thiab tus nqi sib txawv ntawm kuv lub teb chaws...
Cov nqi xa tawm tau poob qis, thiab tus nqi sib txawv ntawm kuv lub teb chaws cov khoom siv hlau thiab xa tawm tau tseem nyob saum US $ 400 rau ob lub hlis sib law liag
Ntau
Dec 26, 2022
Dec 26, 2022
Dec 22, 2022
Mechanical Properties Of Steel
Yield point, Yield zog, Tensile zog, Elongation, Yield ratio, Hardness
Ntau
Dec 21, 2022
Yuav Siv Scaffolding li cas
Qhov chaw ntawm scaffolding yog txawv los ntawm lwm cov blocks hauv qhov kev ua si. Thaum nias siv rau ntawm ib sab ntawm scaffolding, scaffolding yog ntxiv rau sab saum toj ntawm lub siab tshaj pl...
Ntau