1.
A piece of type metal lower than the raised typeface, used for filling spaces and blank lines.
空铅，铅块比抬升的印刷平面要更低的金属条，用于填空格和空行
2.
Middle space (Mid space): A space equal to one-quarter of an em space of the size of type.
四开空铅:排字用空铅，阔度为该字大小的‘正方’的四分一。
3.
Hair space: very thin letterpress spaces used between letters in a word.
微间距:放于活字字符间的薄空铅。
4.
Thin space: A type spacing piece equal to one-fifth of an em.
薄空铅:相等于正方五分之一的活字间隔材料。
5.
Thick space: A type spacing piece equal to one third of an em.
厚空铅:相等于正方三分一的活字间隔材料。
6.
To provide space between(lines of type) with leads.
塞铅条在铅字行的空隙间隔以铅条
7.
(printing) having thin strips of lead between the lines of type.
（印刷）在铅字行的空隙间隔以铅条的。
8.
(printing) not having leads between the lines.
（印刷）未在铅字行的空隙间隔以铅条的。
9.
There's an opening for a plumber.
有一个铅管工的空缺。
10.
Space out the type more.
把铅字的行间空大些。
11.
that against the leaden sky now revealed more fully the wonderful beauty
映衬着铅灰色的天空，
12.
hollow flint glass
含铅空心玻璃制品，无色空心玻璃制品
13.
Erase the pencil marks in the margins
把页边空白处的铅笔记号擦掉。
14.
To set too much type for(a given space).
超排字行对于（给定的空间）排过多铅字
15.
Are our children being poisoned by lead in the atmosphere?
我们的儿童是否受着空气中铅的毒害?
16.
Removing Cd,Pb,Tl,Zn from Crude Indium by Vacuum Distillation
真空蒸馏除去粗铟中镉锌铊铅的研究
17.
Absolute Orientation of Aerial Imagery over Urban Areas Combined with Vertical Lines
铅垂线辅助城区航空影像的绝对定向
18.
Are our children being poisoned by lead in the atmosphere
我们的儿童是否受著空气中铅的毒害？