railway ballast; track bed
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
railway ballast; track bed; layer of crushed stones between the roadbed and sleepers
technicalTechnical term in railway engineering. Also called 道砟 in some contexts, though 道砟 refers specifically to the crushed stone material while 道床 refers to the entire layer/structure.
Gōng工
rén人
men们
zhèng正
zài在
gēng更
huàn换
zhè这
duàn段
tiě铁
lù路
de的
dào道
chuáng床
。
The workers are replacing the ballast on this section of railway.
Dào道
chuáng床
kě可
yǐ以
yǒu有
xiào效
de地
fēn分
sàn散
liè列
chē车
duì对
lù路
jī基
de的
yā压
lì力
。
The track bed can effectively distribute the pressure from trains onto the roadbed.
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Yóu由
yú于
nián年
jiǔ久
shī失
xiū修
，
zhè这
zuò座
dà大
qiáo桥
de的
dào道
chuáng床
chū出
xiàn现
le了
yán严
zhòng重
de的
xià下
chén沉
。
Due to years of disrepair, the ballast of this large bridge has experienced serious settlement.