Lead oxide in the glass envelope of BlackLight Blue (BLB) lamps.
蓝黑灯管(BLB)玻璃外罩所用的氧化铅。
Objective: in this study, clinical effects of BLB implant system were evaluated.
前言：目的：评价BLB种植系统的临床应用效果。
Compared different oxygen supply methods, BLB mask was chosen for oxygen supply system of passenger cars on Qingzang railway.
对比不同的供氧方法，选择blb氧气面罩用于青藏客车供氧。
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