select sj.waga_name,
sf.*
from bs_sgc_sz_fzr sf
left join bs_sgc_sz_safe_jbxx sj on sf.waga_id = sj.id
select sx.name,
count(1) num,
sf.type
from bs_sgc_sz_fzr sf
left join bs_sgc_sz_safe_jbxx sj on sf.waga_id = sj.id
left join sys_xzqh sx on sj.adcd=sx.xzqhdm