stone conditioner

These late Stone Age settlers had finely polished stone tools, and they had domesticated cereals and sheep.

查脱户耶克的居民生活在石器时代晚期，不仅会制造细致的磨制石器，也已经驯化了谷类与羊。

commutator stone

换向器磨石, 整流子磨石

disc ,grinding, sharpening, polishing, trueing and cutting of natural stone, abrasives or pottery

圆盘,研磨、磨利、抛光、整形和切割用,天然石料、研磨料或陶器制成

a primitive stone mill for grinding corn by hand.

手推的磨碎谷物的原始磨石器。

precast artistic terrazzo flooring

预制美术水磨石地面

head ,grinding, sharpening, polishing, trueing and cutting, of natural stone, abrasives or pottery

研磨、磨、磨利、抛光、整形和切割头,天然石料,研磨料或陶质料制

The grinding block made of carborundum abrasive,is very hard and sharp.

磨光机磨块采用金刚石磨料制成，硬度极高，磨削锋利。

Chipped and polished stone tools are also present.

此外，经过磨琢的石器也同时出土。

Design and grinding ways of diamond roller wheel dresser

金刚石滚轮修整器的设计及磨削方式

Management of calcium oxide deliquescence process

球磨过程中石灰吸潮糊磨的控制与管理

a stone tool from the Neolithic Age.

石器时代的石制工具。

grindstone for milling or grinding

磨石,用于碾磨或研磨

To sharpen on a fine-grained whetstone.

珩磨在细磨刀石上磨快

A soft stone or composition of pipe clay and pulverized stone used for scouring and whitening hearths or doorsteps.

软磨石一种用来磨面和打磨炉堂或门阶的软石或用陶土及石粉制成的混合物

Preparation And Properties of Diamond Grinding Tool With Ceramic Bondtng Agent

陶瓷结合剂金刚石磨具制备工艺研究

oil stone for used in the hand, of natural stone, agglomerated abrasives or ceramics

手用油石,天然石料、凝集研磨料或陶瓷制

hone ,for used in the hand, of natural stone, agglomerated abrasives or ceramics

手用刀石,天然石料、凝集研磨料或陶瓷制

disc ,asbestos (excl. of asbestos-cement or friction material)

石盘轮盘（不包括石棉水泥或耐磨材料制的）