Jack
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BFJ-48
1. Muab kev txhawb nqa ntxiv rau kev sib npaug thiab kev ruaj khov ntawm cov nqaj hauv pem teb suav nrog lub bar tig rau kev hloov kho qhov siab yooj yim
2. Tus ncej nqa hauv pem teb yuav tsum tau teeb tsa rau ntawm pem teb pob zeb lossis cov hauv paus pob zeb, nrog rau ob sab kawg.
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BFJ-150
1. Muab kev txhawb nqa ntxiv rau kev sib npaug thiab kev ruaj khov ntawm cov nqaj hauv pem teb suav nrog lub bar tig rau kev hloov kho qhov siab yooj yim
2. Tus ncej nqa hauv pem teb yuav tsum tau teeb tsa rau ntawm pem teb pob zeb lossis cov hauv paus pob zeb, nrog rau ob sab kawg.
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BFJ-100
1. Muab kev txhawb nqa ntxiv rau kev sib npaug thiab kev ruaj khov ntawm cov nqaj hauv pem teb suav nrog lub bar tig rau kev hloov kho qhov siab yooj yim
2. Tus ncej nqa hauv pem teb yuav tsum tau teeb tsa rau ntawm pem teb pob zeb lossis cov hauv paus pob zeb, nrog rau ob sab kawg.
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BFJ-36
1. Muab kev txhawb nqa ntxiv rau kev sib npaug thiab kev ruaj khov ntawm cov nqaj hauv pem teb suav nrog lub bar tig rau kev hloov kho qhov siab yooj yim
2. Tus ncej nqa hauv pem teb yuav tsum tau teeb tsa rau ntawm pem teb pob zeb lossis cov hauv paus pob zeb, nrog rau ob sab kawg.
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BFJ-16
Tus ncej hlau welded hauv pem teb no (tseem hu ua lub hauv qab nthab hauv pem teb) muaj cov xim liab oxide, lub hau ntswj thiab tig, thiab cov pins ob chav xauv, thiab nws nthuav dav telescopically rau kev sib npaug ib ntus, bracing, thiab ruaj khov cov beams hauv pem teb thiab joists thaum lub sijhawm tsim kho lossis kho.
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BFJ-15
Lub tshuab nqa ntsia hlau uas kho tau ib ntus rau kev txhawb nqa theem ob uas tsis mus tas li thaum lub sijhawm kho dua tshiab
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