Probably endemic to the River Cross drainage in Cameroon.
也许有种里弗·克罗斯在喀麦隆排水。
They have gaps in them where they cross little natural drainage channels and the lines themselves are not perfectly filled in, with lots of little streaks and uneven coverage.
他说：“网格中有一些间隙，在这些间隙里交叉着很小的自然排水渠道，而这些线条本身却没有完全被充填，有着许多小的条纹和不均匀的覆盖范围。”
Exploring of urban motorized vehicle lane's design about cross section, safety and humanity, safety and landscaping, drainage of crossing and elevation planning.
关于城市道路的横断面设计、安全与人性化设计、安全与景观化设计、路口排水与竖向设计等问题的探讨。
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