Common form of the pressure switch, volume switch, time switch and flow switch, that is, to achieve the preset inspiratory pressure, capacity, time or flow rate is converted to breath.

常见的方式有压力切换、容量切换、时间切换和流速切换，即吸气达到预置的压力、容量、时间或流速则转为呼气。

youdao

On the left side of the phone you've got the new volume buttons, a redesigned mute switch, and a small notch towards the base of the unit.

手机左面是新设计的音量按钮、重新设计的静音按钮。以及底部的一个小缺口。

youdao

Without opening mould, it can provide accurate buffer, high speed gap filling and high strength of supporting and positioning for different volume, switch and weight products.

无需开模，即可为不同体积、开关和重量的产品，提供精确的缓冲、高速空隙填充或者高强度的支撑定位。

youdao

The right side houses a volume switch and a physical camera button -- these were a bit plasticky, but has a nice matte finish.

ENGADGET

Both models feature a new capacitive touch control design that allows the listener to change volume, switch channels or jump streams with a simple swipe or tap.

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This protrusion (which is removeable) provides access to a multi-function button, volume controls, power switch and micro-USB port for charging.

ENGADGET