insert into tbl() select * from tb2中加入多个条件

insert into warehouse(wlbm,wlmc,ys,wlgg,sybm,wlfl) select * from (select rtrim(b.bjbm) as bjbm,a.bjmc as wlmc, a.ys, a.clgg as wlgg,a.bm, 
(case a.bm when '注塑' then 2 
when '吹塑' then 43 
when '搪胶' then 3 
when '喷油' then 4 
when '车梳' then 45 
when '冲压' then 19 
when '电焊' then 31 
when '烤漆' then 37 
when '裁床' then 38 

when '丝印' then 46 
when '车缝' then 39 
when '装配' then 40 
when '包装' then 42 

end) as wlfl 
FROM (select distinct(rtrim(bjbm)) as bjbm from dbo.CP_LB where bjbm<>'' and bjbm not in (select wlbm from warehouse)) b left JOIN dbo.CP_LB a 
on rtrim(b.bjbm)=rtrim(a.bjbm)) c