Siab tack
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Junbond kho tag nrho cov siab tack super kev sib raug zoo
Junbond kho tag nrho cov siab tack super kev sib sau sib luag yog super lub zog thiab cov nplaum uas muaj zog pib thiab lub zog (400kg / 10cm²). Yuav siv tau ntau cov pob qij txha thiab cov khoom sib koom ua ke kom ua tiav cov khoom lag luam zoo nkauj thiab tsis muaj qhov sib luag. Cov tshuaj tiv thaiv kab mob uas tiv thaiv pwm loj hlob.