“标线”造句

很多运河是按照地图上的坐标线开凿的。
Many canals were built along map grid lines.

介绍了热熔型道路标线涂料的组成及其施工方法.
Composition and application of thermoplastic marking paint are introduced.

初学游泳者不得进入深水区,携带救生圈不得超越浅水区标线进入深水区.
Beginners or swimmers wearing life jackets must not enter the deep - water area.

• #标线