plumb line; vertical reference line
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
plumb line; vertical line
formalA fundamental concept in surveying, construction, and mechanics. Used as a reference line to determine true vertical. Not used in everyday conversation.
Wǎ瓦
gōng工
yòng用
qiān铅
chuí垂
xiàn线
lái来
jiǎn检
chá查
qiáng墙
miàn面
shì是
fǒu否
chuí垂
zhí直
。
A bricklayer uses a plumb line to check if the wall is vertical.
Qiān铅
chuí垂
xiàn线
de的
fāng方
xiàng向
yǔ与
zhòng重
lì力
fāng方
xiàng向
yī一
zhì致
。
The direction of a plumb line aligns with the direction of gravity.
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Jiàn建
zhù筑
tú图
zhǐ纸
shàng上
xū需
yào要
biāo标
chū出
qiān铅
chuí垂
xiàn线
de的
jī基
zhǔn准
diǎn点
。
The datum point for the plumb line needs to be marked on the architectural drawings.