常見(jiàn)例句雙語(yǔ)例句D. Gear box: 200 Involute cylinder Bevel wheel, cast alloy steel piston.齒輪箱：200漸開(kāi)線圓柱斜齒輪，鑄造合金鋼活塞。The chemical compositions of new cast alloy steel with high Si content was designed, its microstructure and corrosion behavior were studied.設(shè)計(jì)了一種含硅量較高的新型鑄造合金鋼，并研究了該合金鋼的顯微組織及其腐蝕行為。The cast alloy steel bit-sharpener has been prepared by pouring the chrome abrasion resistance steel and the low-alloy steel with fine impact resistance one-step using cast-in technique.鑲鑄復(fù)合金屬材料截齒是利用鑲鑄工藝，將鉻系耐磨合金與抗沖擊性能好的低合金鋼一次澆鑄成型。 返回 cast alloy steel