TAPPING metal or other material [= screw-threading]
物质刺激
material incentive【劳经】;material stimulation【劳经】
暂无补充释义。
相关词条
extraction from circulating material of the nuclear reactor
moulds of printing surfaces from elastic material
package printing material【印刷】
road material distributor
conveying of bulk material, pneumatic
gas-discharge lamp, transforming the wave length by luminescent material
approval of defects in material