【化】 高速钢; 锋钢

采用X射线衍射仪及光学显微镜分析了W8CrV高速钢离子氮碳共渗层的相结构，采用连续加载压入法研究了共渗层脆性。

high-beam headlight

high-flying

high fidelity stereo micro earphone

knee-high

down-stream processing with high added-value

high speed cine theodolite

high estrogen responders

put into high gear; go full steam ahead