Xov xwm

Pob zeb pw tsaug zog yog ib qho tseem ceeb ntawm cov khoom siv railway, thiab nws kuj yog ib qho tseem ceeb ntawm cov khoom siv cement nrog cov kho...

Pob zeb pw tsaug zog yog cov khoom siv pob zeb siv los ua kev tsheb ciav hlau. Cov khoom siv pob zeb ua los ntawm cov cement, xuab zeb, pob zeb, de...

Lub ntsia hlau yog ib qho cuab yeej siv lub cev thiab kev ua lej ntawm lub voj voog inclined thiab kev sib txhuam ntawm ib qho khoom kom nruj cov t...

1. Raws li daim ntawv ntawm kev txhawb nqa pw tsaug zog (1) Suspended hom: uas yog, lub tsheb ciav hlau sib koom yog raug tshem tawm ntawm ob tus n...

Rail gaskets yog cov khoom tseem ceeb ntawm txoj kev tsheb ciav hlau. Cov khoom tseem ceeb yog manganese alloy. Nws txoj haujlwm yog coj lub log nt...

Lub luag hauj lwm ntawm subway bolts, screws thiab lwm yam fasteners nyob rau hauv lub neej niaj hnub yog paub, nyob rau hauv kev siv yuav muaj xeb...

Metro bolts feem ntau yog lined nplhaib-puab. Ib tug hneev ntsia liaj qhov rooj, ntawm qhov tod tes, yog ib qho precast hauv ob sab phlu ntawm pob ...

Raws li cov qauv ntawm qhov kev txhawb nqa qhov system, lub subway bolt yog ib qho tseem ceeb ntawm cov qauv hauv qhov av; Nws yog cov txheej txhee...

Bolts, mechanical qhov chaw, cylindrical threaded fasteners nrog ceev. Bolt: Ib hom fastener uas muaj ob qhov chaw, lub taub hau thiab lub hau ntsw...

Txoj kev tsheb ciav hlau yog qhov tseem ceeb tshaj plaws ntawm txoj kev khiav, uas ncaj qha bears lub tsheb ciav hlau, tso siab rau kev sib cuam ts...

1. Cov khoom siv Rail Railway yog cov khoom siv tseem ceeb ntawm txoj kev tsheb ciav hlau, thiab cov tsheb ciav hlau yog lub cim tseem ceeb ntawm c...

Fasteners, tseem hu ua cov qauv hauv kev ua lag luam, yog cov ntsiab lus dav dav rau ib hom kev siv tshuab siv thaum ob lossis ntau qhov chaw lossi...