meaning for 直径 zhíjìng:
- - diameter
zhōng钟
de的
zhíjìng直径
wèi为
9
mǐ米
，
fēnzhēn分针
de的
chángdù长度
wèi为
5.7
mǐ米
。
The clock is 9-meter wide in diameter and the minute hand is 5.7-meter long.
zhè这
gēn根
zhùzi柱子
de的
zhíjìng直径
bǐnà比那
yīgēn一根
yào要
xiǎo小
yìdiǎn一点
。
The diameter of this pillar is slightly smaller than that one.
wèile为了
tígāo提高
sòngshuǐ送水
xiàolǜ效率
，
wǒmen我们
xūyào需要
ānzhuāng安装
gèngdà更大
zhíjìng直径
de的
guǎndào管道
。
In order to improve water delivery efficiency, we need to install larger diameter pipes.