Rockwell词根词缀

The technology of cryogenic treatment was applied in the different heat treating processes of casting 440A stainless steel, and Rockwell hardness test, bending test and scratching abrasion test were conducted.

在440A铸造不锈钢热处理的不同阶段引入深冷处理工艺，并进行硬度、抗弯强度、滑动磨损试验等测试。

Cucumber seedlings were raised in composite substrates containing vermiculite, peat moss, local rockwell, coal ash, and organic fertilizer.

采用蛭石、草炭、珍珠岩、有机肥、腐熟鸡粪、炉渣灰等原料组成复合基质，进行黄瓜穴盘育苗。

The instrument is mainly used for measuring surface Rockwell rigidity of deep-hole tube with hole diameters up to more than 38 millimeters and in-hole surface hard layer thickness up to more than 0.2 millimeters and it may measure the depth of a hole about 800 millimeters.

主要用于孔径Φ38mm以上、内孔表面硬层厚度0.2mm以上的深孔管件表面洛氏硬度的测量；测孔深度可达800mm。