Xov xwm

Ib qho kev tsheb ntsia hlau ntsia hlau loj, tseem hu ua Seeper Ntsia Hlau, Rail ntsia hlau lossis Lag Ntsia Hlau, yog cov ntsia hlau nruab nrab los...

Aub Spikes cia siab rau rauj kom muab lawv mus rau hauv cov neeg tsaug zog thiab ua kom muaj kev sib txhuam rau kev kho kom yooj yim. Cov qauv tsim...

Kev Railway Spikes yog cov khoom sib txuas hlau uas siv los kho cov nqaj hlau rau cov pw tsaug zog, feem ntau ua los ntawm high - lub zog steel. Vi...

Nyob rau hauv xyoo tsis ntev los no, Saudi Arabia txoj kev tsheb ciav hlau tau tsim sai, muab kev txhawb nqa tseem ceeb rau kev sib txuas lus hauv ...

Txoj kev tsheb ciav hlau Spring yog siv rau ntawm kev taug kev los kho cov ntsia, uas yog kiag li ua los ntawm cov hlau lossis hlau. Nws yog kev xa...

Tam sim no feem ntau siv kev tsheb ciav hlau loj xws li cov hom kev tsheb ciav hlau hauv qab no: Kev tsheb ciav hlau Aub Spike, Spike, lub caij npl...

Txoj haujlwm ntawm Rail Fastening System yog txhawm rau txhim kho cov ntsia hlau rau kev tsheb nqaj hlau lossis kev tsheb ciav hlau. Feem ntau, txo...

Tam sim no feem ntau siv kev tsheb ciav hlau loj xws li cov hom kev tsheb ciav hlau hauv qab no: Kev tsheb ciav hlau Aub Spike, Spike, lub caij npl...

Lub tswv yim txawv tshiab ntawm cov ntsia hlau spikes thiab cov dev ib txwm muaj nyob hauv lawv cov qauv tsim. Cov nplaim ntawm cov ntsia hlau spik...

On the vast edges of the Sahara Desert, a unique road device- screw spikes -can often be seen on desert highways. Cov khoom siv hlau yooj yim no yo...

Kev Railway Sprike Repress Spikes yog cov tsheb ciav hlau tseem ceeb, feem ntau ua los ntawm cov hlau lossis cov hlau xws li Q235, 45B, Q345d thiab...

Ntawm txoj kev loj ntawm Mauritania ntawm ntug ntawm Sahara Desert, ntsia hlau Spikes ua haujlwm raws li cov neeg saib xyuas txoj kev tshwj xeeb. T...