英语词汇“private telephone exchange”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	private telephone exchange
释义	private telephone exchange 专用电话交换机
随便看	upright vacuum cleaner upright wall upright wall breakwater upright water view Upright wedge block upright welding upright wharf upright yellow-sorrel up rigidity and down weak Uprima upripe uprisal uprisals uprise uprisen uprise of salt uprise of salts upriser uprise rearways uprisers uprises uprisest upriseth uprise with leg support uprisin