Counterweight ncej
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Of elevator Counterweight Ncej Rau Qhov Sib Txawv Traction Ratios
Lub counterweight thav duab yog ua los ntawm channel steel los yog 3 ~ 5 hli steel phaj folded rau hauv channel steel duab thiab welded nrog steel phaj. Vim muaj kev siv ntau zaus, cov qauv ntawm tus ncej counterweight kuj txawv me ntsis.