1) round broach
圆拉刀
1.
In this paper the sulpho nitro oxy carburizing and the hydrogen removing technology of round broach,the structure of diffusion layer and the relation between the depth,properties,the hydrogen content of diffusion layer and the service life of the broach are studied.
研究了连杆圆拉刀的氮碳硫氧共渗与去氢处理工艺，以及渗层组织结构、渗层深度、性能、渗层含氮量与拉刀寿命的关系。
2) broach milling
圆拉法
3) round wire
圆拉毛杆
4) circular extension table
圆拉桌
5) cicular tensile test specimen
圆拉伸试样
6) External cylindrical broaching with a reciprocating tool
用往复拉刀的外圆拉削
补充资料：刀刀
1.动摇貌。
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