forward: adv.1.向前，前进 (opp. backward)。2.【航海】在船头，向船头(opp. aft)。3.今后，将来。4.出来，出现，表面化。短语和例子F-! 【军事】前进! from this time forward 今后。 backward(s) and forward(s) 来回地，前前后后。 carriage forward 运费由收货人照付。 date for
Some fuzzy concepts exist in resolving forward extrusion solid object ' s unit extrusion pressure with slip line technique in current documents 摘要现有文献用滑移线法求解正挤压实心件的单位挤压力，存在一些模糊概念。
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The forming technology data have been defined on the analysis of the forming technology of az31 magnesium alloy thin - walled tubes by using isothermal forming and forward extrusion deforming of hollow blank process and the design of die structure has been introduced 摘要本文通过对az31镁合金薄壁管材成形的工艺分析，采用了空心坯正挤压、等温成形的工艺方法，确定了其成形工艺参数，并介绍了该薄壁管材的挤压模具结构设计。
