The vibrating rod level switch is a new type of level switch, whether it is installed correctly is a key for affecting normal work of vibrating rod level switch in practice.

振动棒料位开关是一种新型的料位开关，在实际应用中正确地安装是影响振动棒料位开关正常工作的关键。

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In addition, a safe pressure control device with a switch type degassing key is fixed at the lid.

在锅盖部分还装有带开关式排气按键的安全压力控制装置。

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Matias says it spent more than two years working on a new type of key switch -- a modified ALPS switch it's dubbed Quiet Click -- and it has indeed come up with something unique.

ENGADGET: Matias Quiet Pro review: a mechanical keyboard with less clickety-clack