... protective mask 释义:防护面具,防护面罩,防毒面具 oxygen-mask system 释义:氧气面罩系统 pediatric face tent 释义:儿童面罩吸入器 ...
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·2,447,543篇论文数据,部分数据来源于NoteExpress
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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