例句與造句

1. Effect of billet temperature on the backward extrusion of az31 mg alloy
   31鎂合金反擠成形的影響
2. Experimental study on integral cold backward extrusion technology of flat hook - commutator
   平面鉤型換向器整體反擠壓工藝實(shí)驗(yàn)研究
3. Metal flow is a very inhomogeneous process during backward extrusion of complex box body , relative shape and size of the blank is a key factor which affect metal flow
   摘要復(fù)雜盒形零件的反擠壓是一個(gè)極其不均勻的流動(dòng)過程，坯料的相對(duì)形狀及尺寸是影響金屬流動(dòng)的關(guān)鍵因素。
4. It's difficult to find backward extrusion in a sentence. 用backward extrusion造句挺難的