The commonly used breakpoint commands are bp, BC, bd, be, and bl.
常用的断点命令有bp、bc、bd、be和bl。
BL-formaldehyde absorptive independently developed by BeijingForestry University can be made use of to produce environment-friendly plywood with low formaldehyde emission.
本文介绍了北京林业大学自主研发的BL—甲醛消纳剂及应用其开发低甲醛释放的环保胶合板的研究。
Conclusions In order to ensure the detection rate of acid-fast bacilli, the sputum specimens should be bl…
结论痰液标本检测抗酸杆菌时，建议患者留取脓性或血性痰，以确保抗酸杆菌检出的阳性率。
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