Xov xwm

LEANOMS Caij Nplooj Hlav Caij Nplooj Ntoos Hlav Daim Ntawv Ceeb Toom

Leanoms xav tau lub xyoo tshiab zoo siab thaum peb kaw tshooj ntawm 2024, LEA Noms ncua peb cov neeg xav tau sov tshaj plaws thiab cov neeg koom te...

Nyob zoo cov neeg siv khoom thiab cov neeg koom tes, Raws li lub caij Christmas no muaj kev lom zem thiab ua rau lub siab nyiam, tag nrho pab pawg ...

Kev sib tw, tuav lub asthiv, yog qhov kev vam meej zoo, nyiam kev koom tes los ntawm peb cov neeg koom tes. Qhov kev tshwm sim no tsis yog kev ua s...

🌟 7 Hnub Countdown Pib rau Minexpo 2024! 🌟 Countdown Pib, peb tsom mus rau peb cov cuab yeej pob zeb drilling, tsim kom muaj tseeb thiab lub zog....

Exhibition name: MINExpo INTERNATIONAL 2024 · Cuaj hlis 24-26, 2024 Lub rooj muag zaub naj npawb: WEST HALL-#11255 Chaw Nyob: Las Vegas, Nevada, US...

LEANOMS xav kom koj muaj hmoo, thaj yeeb nyab xeeb thiab noj qab nyob zoo Dragon Boat Festival.

Thaum Xiaoman ntsib "520": Lub neej me me thiab puv, kev hlub los ntawm lub sijhawm.

Mining yog cov txheej txheem ntawm kev rho tawm cov zaub mov thiab lwm yam khoom muaj txiaj ntsig los ntawm lub ntiaj teb. Nws yog ib qho tseem cee...

LEANOMS xav kom koj zoo siab xyoo Me! Xyoo Tshiab Me, tseem hu ua Xiaonian los yog Xyoo Tshiab Me, yog ib txwm suav ua kev zoo siab rau hnub 23 los...

1930: Hydraulic ram rauj ntawm John A. Zublin Hauv xyoo 1930, John Adolphus Zublin patented ib qho dej-driven rauj mechanism. Cov patent muaj ntau ...

1900: Hydraulic Ram Laum los ntawm Wacław Wolski Hauv xyoo 1900, Wacław Wolski txhim kho cable drilling los ntawm kev siv hydraulically tsav chisel...