pitchstone ['pitʃstəun]

pitchstone的基本解释

n.

[地]松脂石

与pitchstone相关的网络例句 [注：此内容来源于网络，仅供参考]

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。

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。

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%。

与pitchstone相关的网络解释 [注：此内容来源于网络，仅供参考]

pitchstone：松脂岩

pitch coal 沥青煤 | pitchstone 松脂岩 | pivotal fault 旋转断层

pitchstone：松脂石 松脂岩

pitchstiffness 纵向安定性 | pitchstone 松脂石 松脂岩 | pitchstreak 树脂条纹

pitchstone：松脂岩(可用作建筑工业设备的声热绝缘材料)

pitching coal 倾斜煤层 | pitchstone 松脂岩(可用作建筑工业设备的声热绝缘材料) | pitometer 皮氏压差计(测量流速的),流速计

pitchstone porphyry：松脂斑岩

松脂岩 pitchstone | 松脂斑岩 pitchstone porphyry | 黑铜矿 pitchy copper ore

ball pitchstone：球状松脂岩

球状闪长岩 orbicular diorite | 球状松脂岩 ball pitchstone | 球状体 spheroid