您要查找的是不是：
- stromatoporoid limestone 层孔虫灰岩
- First, ore is mixed with coke and limestone. 先把铁矿石和焦碳、石灰石混合在一起。
- We may burn limestone to obtain lime. 我们可以通过烧石灰石来得到石灰。
- Limestone cliffs; limestone walls. 石灰岩峭壁; 石灰岩墙
- Caves form when water infiltrates limestone. 水渗透石灰石则形成洞穴。
- Limestone is rock composed of calcium carbonate. 石灰石是由碳酸钙所构成的岩石。
- The limestone absorbs impurities from the ore. 石灰石从矿石中吸收杂质。
- The area is being quarried for limestone. 这地方正在开采石灰石。
- The limestone must be calcined in such a way. 石灰石必须煅烧到这样地步。
- Screen Test for DCP , Limestone and Salt. 筛选检验磷酸氢钙;石粉和食盐.
- Rock, usually limestone, composed of oolites. 岩石岩石，通常指石灰岩，由鲕粒岩组成
- Rock, usually limestone, composed of pisoliths. 豆石，豆岩由豆石构成的岩石，常为石灰岩
- First, ore is mixed with coke and limestone . 先把铁矿石和焦碳、石灰石混合在一起。
- Limestone deposits are prevalent. 石灰石的蕴藏到处都有。
- Of the white limestone riverbed. 是白色的石灰岩。
- Limestone is often used in building construction. 石灰岩常用于建筑。
- Caves form when water infiltrates limestone . 水渗透石灰石则形成洞穴。
- Natural limestone caves are very spectacular. 天然的石灰岩洞是非常壮观的。
- There is limestone cropping out on the ridge above. 石灰石裸露在山脊各处。
- This ground tile is mainly made of limestone. 这种地砖的原料主要是石灰石。
