Bovine Leukemia Virus牛白血病病毒 Bleed Valve泄放阀 Fort Belvoir (Virginia)Belvoir堡(维吉尼亚州) Busy Line Verification忙线验证 Bovine Leucosis Virus牛Leucosis病毒 Scott AFB/Midamerica Airport (Belleville, IL, USA; airport code)斯科特AFB / Midamerica机场(美国伊利诺伊州贝尔维尔,机场代码) Busy-Line Verification (telecommunications)Busy-Line检定(电信) Bare Land Value裸露的土地价值 Scott Air Force Base, Mid- America Airport, Illinois斯科特空军基地,美国伊利诺斯州的美国机场 Boulevard (usually BLVD)大道(通常是大街走进)