Same as type b, but added circumferential seal, can be used in heavy dust environment.
与B型相同，但增加圆周密封，可应用于多粉尘环境。
People with type B blood are cheerful and outgoing.
B型血的人开朗外向。
Messaging traffic — Also known as Type b, provides higher protection but is less immediate.
消息流量——也称为类型B，提供了更高的保护程度，但是即时性较差。
Type B is also found in the USA.
不过美国国内也发现了B型菌种。
Device only using Type B connection.
设备只使用B型连接。
Objective To study the diagnostic value of atelectasis by type-B ultrasonography.
目的探讨B型超声对肺不张的诊断价值。
Objective To study the diagnostic value of atelectasis by type-B ultrasonography.
目的探讨B型超声对肺不张的诊断价值。
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