1.
Such a damage index is defined as the ratio of the repaired length to the total length of pipelines.
破坏指针的定义为须修复的管线长度与管线总长度的比值。
2.
an electric cord used to extend the length of a power cord.
延长电源线长度的电线。
3.
Study on the Measurement of Roundness and Straightness for the Inner Hole of the Large Diameter Long Pipes;
大口径长管内孔的直线度、圆度测量研究
4.
Three diameters of straight pipe are required on the valve outlet.
阀门出口处需要配置三倍直径长度的直线管路。
5.
On-line Length Measuring System for Continuous Oil Tubes by Laser Doppler Technology
连续油管长度激光多普勒在线测量系统
6.
Monitoring and dispatching system in long-distance gas pipeline based on the same frequency digital broadcasting station
同频数传电台的煤气长输管线监测调度系统
7.
General purpose fan coil housing. Stretch an end to increase duct length. Box size can be changed.
通用的扇形线圈罩。可拉伸一端以增加管道长度。框大小可以更改。
8.
The measurement of this line.
腰围尺寸这条线的长度
9.
length of the parallel portion of the designed waterline
设计水线平行部分长度
10.
cosmic-ray pathlength distribution
宇宙线路径长度分布
11.
escape pathlength of cosmic rays
宇宙线逃逸路径长度
12.
VLBI (very long baseline interferometry)
甚长底线干涉量度法
13.
The length of any such line segment.
半距离这种线段的长度
14.
Used for reeling set length's yarn to test whose linear density and length.
用于摇取一定长度的纱线，供测定纱线的线密度及长度。
15.
A line has length but neither breadth nor thickness.
线有长度，但既没有宽度，也没有厚度。
16.
This line is five times as long as that one.
这条线的长度是那条线的5倍。
17.
The length or numerical value of a straight line or curve.
间距直线或曲线的长度或数值
18.
Students: The length of the curve making a circle is called the perimeter.
生：围成圆的曲线的长度叫做圆的周长。