river gravel

基本解释

Concrete with river gravel or quartzite aggregate is of medium difficulty to cut.
溪砂石骨料混凝土或石英岩身材中等难度降低。
Widely used for granite, basalt, limestone, river gravel, quartz, iron ore, pebbles and other materials, fine crusher.
广泛适用于花岗岩、玄武岩、石灰岩、河卵石、石英石、铁矿石、鹅卵石等多种物料的细式破碎。
This series of products widely used in the basalt, limestone, river gravel, granite and other types of materials processing and shaping broken.
该系列产品广泛适用于玄武岩、石灰岩、河卵石、花岗石等各类物料的破碎加工与整形。

Canaris was hurled off the road, into a gravel parking lot near the river.
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PAUL, Minn. (AP) — A fourth-grade field trip to a Mississippi River park popular with fossil hunters turned deadly Wednesday when gravel saturated by persistent rain gave way, killing one child and injuring two others.
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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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