BKH-SAE-13-S/S,BKH-SAE-20-S/S,BKH-SAE-25-S/S,BKH-SAE-32-S/S,BKH-SAE,高压球阀
BKH-SAE-13-S/S,BKH-SAE-20-S/S,BKH-SAE-25-S/S,BKH-SAE-32-S/S,BKH-SAE-40-S/S,BKH-SAE-50-S/S,BKH-SAE-13-D/D,BKH-SAE-20-D/D,BKH-SAE-25-D/D,BKH-SAE-32-D/D,BKH-SAE-40-D/D,BKH-SAE-50-D/D,BKH-SAE,