1.
prolongation of delay
迟延接续时间的延长
2.
The quality of having extension or being extensive.
扩张性，延展性有延长的性质或延长的性质
3.
an electric cord used to extend the length of a power cord.
延长电源线长度的电线。
4.
prolong a line [a visit]
把线加长 [延长访问]
5.
automatic extension tube
自动延长管，自动回校光圈的延长管
6.
We cannot extend l.c. because e/l cannot is extended
因E/L无法延长，我方无法延长L.C.。
7.
To extend(an area or volume) or lengthen(a line).
延伸使（面或体积）扩展或使（线）延长
8.
lengthen or extend in duration or space.
延长或者在持续时间或者空间上延伸。
9.
The propagation delay will grow with increasing path length.
传输延迟也将随路径的延长而增大。
10.
make(a line)longer(so that it reaches a particular point)
将（一线）延长（至某点）
11.
Could you please extend the credit for me?
能为我延长信贷期限吗?
12.
Spin out a project indefinitely
无限期地延长一项工程
13.
bellows extension
皮腔延长度，多指近摄
14.
extension lead error(of thermocouple)
（热电偶的）延长导线误差
15.
He protracted/prolonged his visit
他延长了访问时间。
16.
Extended opening hours during august
八月延长开放时间。
17.
He refused to draw out the meeting
他拒绝延长会议时间。
18.
occupy a large, elongated area.
占领大量，延长范围。