求翻译：V zařízení jsou použity díly, zejména výkonové elektrolytické kondenzátory, relé, výkonové polovodičové spínače s omezeným počtem sepnutí, jejichž plánovaná životnost může být kratší a které je třeba preventivně měnit během doby životnosti zařízení.是什么意思？

The equipment parts are used , in particular power electrolytic capacitors, relays , power semiconductor switches with a limited number of switches , the planned life may be shorter and be preventively change during the lifetime of the device.

The devices are used parts, in particular performance electrolytic capacitors, relays, Power Semiconductor switches with a limited number closing, whose scheduled service life may be shorter and which should be pre-emptive change during lifetime of the installations.

devices are used in parts, in particular performance electrolytic capacitors, relays, Power Semiconductor switches with a limited number closing, whose scheduled service life may be shorter and which should be pre-emptive change during lifetime of the installations.

The parts are used in the device, in particular the performance of electrolytic capacitors, relays, power semiconductor switches with a limited number of cycles, whose planned lifespan may be shorter and that is the need to preemptively change during the lifetime of the device.

V zarizeni jsou pouzity dily， zejmena vykonove elektrolyticke kondenzatory， rele， vykonove polovodicove spinace s omezenym poctem sepnuti， jejichz planovana zivotnost muze byt kratsi 一 ktere je treba preventivne menit behem doby zivotnosti zarizeni。