river gravel

基本解释

Concrete with river gravel or quartzite aggregate is of medium difficulty to cut.
谿砂石骨料混凝土或石英巖身材中等難度降低。
Widely used for granite, basalt, limestone, river gravel, quartz, iron ore, pebbles and other materials, fine crusher.
廣泛適用於花崗巖、玄武巖、石灰巖、河卵石、石英石、鉄鑛石、鵞卵石等多種物料的細式破碎。
This series of products widely used in the basalt, limestone, river gravel, granite and other types of materials processing and shaping broken.
該系列産品廣泛適用於玄武巖、石灰巖、河卵石、花崗石等各類物料的破碎加工與整形。

Canaris was hurled off the road, into a gravel parking lot near the river.
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Down at Calabar's river-front marina, not far from Taylor's hilltop residence, sand and gravel worker Chris Love(ph) says the former Liberian leader is welcome to stay in Nigeria.
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