Insert into tbl () select * from tb2 add multiple conditions

Copy codeThe Code is as follows:
Insert into warehouse (wlbm, wlmc, ys, wlgg, sybm, wlfl) select * from (select rtrim (B. bjbm) as bjbm,. bjmc as wlmc,. ys,. clgg as wlgg,. bm,
(Case a. bm when 'injection then 2
When'blow molding 'then 43
When 'looping' then 3
When 'injector 'then 4
When 'carcat' then 45
When 'stamping 'then 19
When 'solder' then 31
When 'vary' then 37
When 'decision bed' then 38

When 'silk file' then 46
When 'sewing then 39
When 'assembly 'then 40
When 'package' 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
On rtrim (B. bjbm) = rtrim (a. bjbm) c