查询词典 pitchstone
- 与 pitchstone 相关的网络例句 [注：此内容来源于网络，仅供参考]
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These include pumice and tufa. 2. Lava-based soil are the product of lava flows from the volcano. 90 percent of lava-based soil is composed of basalt with the other ten percent including andesite, pitchstone, rhyolite, and trachyte.
这种土壤含有浮石和石灰华。2）熔岩为基础的土地，由火山爆发后产生的熔流产生。90%是由玄武石组成的熔岩，另外10%是中长石、松脂岩和粗面岩。
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Because three differences lie in the pearlite to have the round arc crack which the condensation forms, calls the pearlite structure, the water content 2~6%; The pitchstone has the unique resinous luster, the water content 6~10%; The black sunlight crag has the glassy luster and the conchoidal fracture, the water content is smaller than 2% generally.
三者的区别在于珍珠岩具有因冷凝作用形成的圆弧形裂纹，称珍珠岩结构，含水量2~6%；松脂岩具有独特的松脂光泽，含水量6~10%；黑曜岩具有玻璃光泽与贝壳状断口，含水量一般小于2%。
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The pearl ore includes the pearlite, shines black the crag and the pitchstone.
珍珠岩矿包括珍珠岩，黑曜岩和松脂岩。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。