偶是新手.刚开始做轴承外贸.
4 K6 Y- S9 ]( ~9 m( C有几个专业名词不明白.请大家帮忙.
metallurgical quality
4 h) U( c3 B; I6 r3 _ground
+ J2 U# u/ B& x- y8 p$ h- c' i" _1 Ehard turned
8 E7 [+ B- A# }; c: j) khard hobbed surface
hard finished steel surface
谢谢啊~~~~
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