The loss of () from an air compressor could lead to an overheated air discharge and possibly an explosion in the pipelines leading to the air reservoir.
A. lubricating oil
B. compressed air
C. cooling water
D. sealing ring
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局限性哮鸣音出现于()
A. 支气管哮喘
B. 支气管扩张
C. 慢性支气管炎、肺气肿
D. 支气管肺癌
E. 特发性肺间质纤维化
组件活门上的由磁活门“C”由谁控制:()
A. 再循环风扇电门
B. 发动机引气电门
C. 组件活门电门
D. APU引气电门
AFP增高最常见于()
A. 结肠癌
B. 肠结核
C. 肝癌
D. 胃溃疡
E. 克罗恩氏病