任何运用百分表的装置必须附有一个储藏盒来防止遗失和损坏。
Any fixture that utilizes an indicator must have a storage box attached to prevent loss or damage.
气压式高度表测量气压是参照海平面的，透过一连串的真空膜盒、齿轮和弹簧来移动刻度盘上的指针。
The mechanical pressure altimeter measures atmospheric pressure relative to sea level through a series of bellows, gears, and springs, which move Pointers on a dial.
机顶盒开机初始化后，自动检测NIT表是否更新。
After being started and initialized, the set top box automatically checks whether the NIT form is updated.
机顶盒开机初始化后，自动检测NIT表是否更新。
After being started and initialized, the set top box automatically checks whether the NIT form is updated.
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