manual telephone exchange造句

例句与造句

1. Not all manual telephone exchanges were non-dialable points.
2. A manual telephone exchange opened around August 1915 and closed in December 1982.
3. A local manual telephone exchange was in operation until 1966 when an automatic exchange was installed.
4. In the post-telegraph era, a manual telephone exchange was also located within the post office.
5. The original application for the 6.35 mm ( in ) phone jack was in manual telephone exchanges.
6. It's difficult to find manual telephone exchange in a sentence. 用manual telephone exchange造句挺难的
7. As more manual telephone exchanges were converted to dial operation, more and more subscribers had access to these special numbers.
8. During the 1960s there were two houses at Gulpa one being the postmaster / railway siding and manual telephone exchange combined.
9. In 1884, a multiple-switchboard manual telephone exchange was mostly copied from a design by C . E . Scribner at Western Electric.
10. There stands the World War I memorial, a set of stock yards for auctioning of sheep stock, and a defunct manual telephone exchange.
11. Subscriber Trunk Dialling ( STD ) was introduced in 1958 to allow a caller to call another telephone directly instead of via a manual telephone exchange operator.
12. The switchboard was an essential component of a manual telephone exchange, and was operated by switchboard operators who used electrical cords or switches to establish the connections.
13. On 23 May 1909, the first manual telephone exchange with a 50 line capacity entered service in the B鼀黭 Postane ( Grand Post Office ) in Sirkeci.
14. The original in ( 6.35 mm ) version dates from 1878, when it was used for manual telephone exchanges, making it the oldest electrical connector standard still in use.
15. In 2010, the farms surrounding Groot Marico were among the last in South Africa to still be connected through party lines to a manual telephone exchange, which require callers to ask an operator to connect them to other telephone lines by pushing jacks into slots.
16. One of the last manual telephone exchanges with party lines in Australia was closed down in 1986 in the township of Collarenebri, where most town residents had a telephone number of only three digits, and to make a call outside the exchange area it was necessary to call the exchange to place a call.