BZH[机] 苯醛
bn.字母B;第二;B调;乙等;像字母B的东西
B indanthrene direct black阴丹士林直接黑
b is the molecular axis.分子轴为b轴
BJ Downtown Duty Free Shop市内免税店
B. atrox coagulant enzyme矛头蛇凝固酶
BJ North Chinese Rose Co.北方月季花公司。
B/W quad image processor黑白四分割图像处理机
B-Large Medical Equipment乙类大型医疗设备
B. OTHER THRESHOLD ISSUES二、其他边缘问题