... 对讲电话台 intercom station 对讲电话线 two-part line 舱内对讲电话 intercom ...
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便携式对讲无线电话机 pack set
对讲电话机耳机线 intercom telephone headset cable
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对所有设施,特别是对大型就业机会,双向无线电对讲机或内部电话线应采用,以确保正确的号码插座和配线架,在测试中。
On all installations, and particularly on large jobs, two way radios or internal telephone lines should be used to ensure correct numbering of outlets and patch panels during testing.
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