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A.30 B.10 C.40 D.50
A.采用穿刺線夾 B.絕緣導(dǎo)線剝皮后用纏繞法搭接并用防水膠帶對(duì)裸露部分進(jìn)行包扎 C.采用并溝線夾搭接后用設(shè)備線夾遮蔽罩進(jìn)行防護(hù) D.采用引流線夾搭接后用防水膠帶對(duì)裸露部分進(jìn)行包扎罩進(jìn)行防護(hù)
A.2.7³10³5³10-3=0.135 B.10³5³10-3=0.05 C.10³5/350≈0.14 D.10³5/10=5
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