Cov kis hluav taws xob lossis cov yees siv fais fab (los yog lub zog yees lossis cov kev hloov pauv) yog cov qauv siab, feem ntau steel ntxaij yees, siv los txhawb cov nyiaj siv ua haujlwm sab saum toj.
Lawv siv nyob rau hauv high-voltage AC thiab DC systems thiab tuaj nyob hauv ntau hom duab thiab ntau thiab tsawg. Qhov siab qhov ntau yog 15 rau 55 m (49 txog 180 ft), [1] txawm hais tias qhov siab tshaj plaws yog 370 m (1,214 ft) pej thuam nrog qhov dav ntawm 2700 m (8,858 ft) ncua Zhoushan Island overhead fais fab kab sib txuas. Ntxiv rau cov hlau, lwm yam ntaub ntawv tuaj yeem siv, suav nrog pob zeb ua thiab ntoo.
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