DQSW2-1CT-DN300,DQSW2-2CT-DN300,DQSW2-3CT-DN300,DQSW2-5CT-DN300,
DQSW2-1AT-DN350,DQSW2-2BT-DN350,DQSW2-3GT-DN350,
DQSW2-4CT-DN350,DQSW2-2AT-DN350,DQSW2-3BT-DN350,DQSW2-4GT-DN350,
DQSW2-3AT-DN350,DQSW2-4AT-DN350,DQSW2-5AT-DN350,
DQSW2-1BT-DN350,DQSW2-4BT-DN350,DQSW2-5BT-DN350,
DQSW2-1GT-DN350,DQSW2-2GT-DN350,DQSW2-5GT-DN350,
DQSW2-1CT-DN350,DQSW2-2CT-DN350,DQSW2-3CT-DN350,DQSW2-5CT-DN350,
D671S-10K,D671S-16B,D671S-25C,D671S-40P,D671S-64Q,
D671S-10GC,D671S-25D,D671S-40J,气动PVC蝶阀
D671S-10K-DN50,D671S-16B-DN50,D671S-25C-DN50,D671S-40P-DN50,
D671S-64Q-DN50,D671S-10GC-DN50,D671S-25D-DN50,D671S-40J-DN50,
D671S-16K-DN50,D671S-25K-DN50,D671S-40K-DN50,
D671S-64K-DN50,D671S-10B-DN50,D671S-25B-DN50,
D671S-40B-DN50,D671S-64B-DN50,D671S-10C-DN50,
D671S-16C-DN50,D671S-40C-DN50,D671S-64C-DN50,D671S-10P-DN50,
D671S-16P-DN50,D671S-25P-DN50,D671S-64P-DN50,D671S-10G-DN50,D671S-16G-DN50,
D671S-25G-DN50,D671S-40G-DN50,D671S-64G-DN50,D671S-10W-DN50,
CCLAIR-DN50,D671S-16W-DN50,D671S-25W-DN50,D671S-40W-DN50,
D671S-64W-DN50,D671S-10J-DN50,
D671S-16J-DN50,D671S-25J-DN50,D671S-64J-DN50,D671S-10D-DN50,
D671S-16D-DN50,D671S-40D-DN50,D671S-64D-DN50,
D671S-10Q-DN50,D671S-16Q-DN50,
D671S-25Q-DN50,D671S-40Q-DN50,D671S-10KJ-DN50,D671S-16KJ-DN50,
D671S-25KJ-DN50,D671S-40KJ-DN50,D671S-64KJ-DN50,D671S-10BJ-DN50,
D671S-16BJ-DN50,D671S-25BJ-DN50,D671S-40BJ-DN50,
D671S-64BJ-DN50,D671S-16GC-DN50,D671S-25GC-DN50,
D671S-40GC-DN50,D671S-64GC-DN50,
D671S-10KW-DN50,D671S-16KW-DN50,D671S-25KW-DN50,
D671S-40KW-DN50,D671S-64KW-DN50,D671S-10BW-DN50,D671S-16BW-DN50,
D671S-10K-DN65,D671S-16B-DN65,D671S-25C-DN65,
D671S-40P-DN65,D671S-64Q-DN65,D671S-10GC-DN65,
D671S-25D-DN65,D671S-40J-DN65,
D671S-16K-DN65,D671S-25K-DN65,D671S-40K-DN65,D671S-64K-DN65,
D671S-10B-DN65,D671S-25B-DN65,D671S-40B-DN65,