铬钒钢盘条金属丝和弹簧。高负荷地线。淬火和回火。规范。

Chromium - vanadium steel wire rod, wire and springs - high duty ground wire - hardened and tempered - specification.

youdao

铬钒钢盘条金属丝和弹簧。高负荷地线。淬火和回火。规范。

Chromium - vanadium steel wire rod, wire and springs - high duty ground wire - hardened and tempered - specification.

youdao