鋪道碴 的英文怎麼說
中文拼音 [pūdàochá]
鋪道碴
英文
ballasting-
Coarse gravel or crushed rock laid to form a bed for roads or railroads
道碴用來鋪公路或鐵路路基的粗砂礫或碎石The titan423 stabilization and lay machine made in germany is refitted and used to lay the fundus ballast
改裝德國titan423型穩定土攤鋪機,用於鋪設道床底碴。
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