a plumb line attached to a narrow board.
一种绑在一条窄木板上的铅锤线。
(nautical) a plumb line for determining depth.
（船上）用来探测水深的铅锤线。
the metal bob of a plumb line.
一种在铅锤线下的金属球。
A horizontal line or plane at right angles to the plumb.
水平线与铅锤线成直角的水平线或水平面
Except at the pole and the equator, a plumb line does not point toward the earth's center.
除在地球的两极和赤道之外，铅锤线并不指向地球中心。
"Hook, Line & Sinker"
"汽笛,电线与铅锤"
A weight on the end of a line, used to determine water depth.
铅锤系在一条线末端的重物，用来测定水的深度
A lead weight suspended by a line, used to make soundings.
铅锤用绳子悬挂一块铅制的重物，用来测量水深
Unplumbed ocean depths.
未用铅锤测量的海洋深度
A small, knoblike pendent object, such as a plumb bob.
悬垂物小的球状悬挂物，如铅锤
Lead and lead-antimony alloy wire
GB/T1474-1988铅及铅锑合金线
test(sth)by using a plumb-line
用铅垂线测（某物）.
LASER-HEAVY PLUMB-BOB SURVEYING APPARATUS WITH A DOUBLE CONTROLLED AXIAL LINE EXTENDED TECHNOLOGY FOR CONSTRUCTION OF HIGHRISE BUILDING
高层建筑激光—重锤双控轴线引伸技术
Analysis on Water Hammer Pressure in Water Supply Pipeline of Hengquan Reservoir
横泉水库供水管线水锤压力计算分析
That wall is out of line; if you try it with the plumb bob you will find that it leans inwards
那道墙不直;只要用铅锤测一下，就会发现它向内倾斜。
When it was done her wrists were in agony and the hammer felt as heavy as lead, but she was still not finished.
门封好后，手腕累得酸痛，锤子像铅一样沉重，但事情还没有干完呢。
To cover, line, weight, or fill with lead.
以铅覆盖用铅覆盖、划线、加重或装满
verticql temperature profile radiometer
温度铅直廓线辐射仪