BDL-L40E-OT,BDL-L40E-OW,BDL-L40E-PT,BDL-L40E-PW,BDL-L40整体阀
BDL-L40E-YT,BDL-L40E-YW,BDL-L40E-MT,BDL-L40E-MW,
BDL-L40F-OT,BDL-L40F-OW,BDL-L40F-PT,BDL-L40F-PW,
BDL-L40F-YT,BDL-L40F-YW,BDL-L40F-MT,BDL-L40F-MW,
BDL-L40G-OT,BDL-L40G-OW,BDL-L40G-PT,BDL-L40G-PW,
BDL-L40G-YT,BDL-L40G-YW,BDL-L40G-MT,BDL-L40G-MW,