單項(xiàng)選擇題
供、饋電線(xiàn)路采用拖纜安裝方式安裝時(shí),將尼龍繩與電纜連接,再用吊環(huán)將電纜吊在鋼纜上,每2m設(shè)一個(gè)吊供、饋電線(xiàn)路采用拖纜安裝方式安裝時(shí),將尼龍繩與電纜連接,再用吊環(huán)將電纜吊在鋼纜上,每2m設(shè)一個(gè)吊裝點(diǎn),吊環(huán)與電纜、尼龍繩固定時(shí),電纜上要設(shè)()
A.防護(hù)層
B.絕緣層
C.間距標(biāo)志
D.標(biāo)號(hào)
供、饋電線(xiàn)路采用拖纜安裝方式安裝時(shí),將尼龍繩與電纜連接,再用吊環(huán)將電纜吊在鋼纜上,每2m設(shè)一個(gè)吊供、饋電線(xiàn)路采用拖纜安裝方式安裝時(shí),將尼龍繩與電纜連接,再用吊環(huán)將電纜吊在鋼纜上,每2m設(shè)一個(gè)吊裝點(diǎn),吊環(huán)與電纜、尼龍繩固定時(shí),電纜上要設(shè)()
A.防護(hù)層
B.絕緣層
C.間距標(biāo)志
D.標(biāo)號(hào)
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