But, the class was still as noice as a bees 'nest.
可是教室里仍然像个蜂窝一样吵闹。
Be careful if there is any uncommon noice when the system running.
注意系统工作时有无异常响声。
Flange member, noice silencer, tube end closure or connection device, and forming method and device.
法兰部件，消声器，管端闭锁或联结装置及其形成方法和装置。
Flange member, noice silencer, tube end closure or connection device, and forming method and device.
法兰部件，消声器，管端闭锁或联结装置及其形成方法和装置。
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