lead hardening 中文意思是什麼
lead hardening
解釋
鉛浴淬火。-
The results are summarized below : 1 ) study on soil science indicates that soil granular structure is the focus adjuster for soil fertility and it affects the space, water - grasp, aeration and anti - erosion of soil. and the percentage of aggregate is one of the key index that decides the speed and extent of soil erosion, hardening and degeneration because the soil degeneration will first lead to the disappearance of crumb - structure. so it is very important that the physical course and character of soil in different land use pattern are realized
現將主要結果摘要如下： l 、士壤學研究表明，團粒結構是土壤肥力的中心調節器，影響著土壤的空隙性、持水性、通透性和抗蝕性；任何土壤的退化首先將表現出團粒結構的消失；團聚體百分比是決定土壤侵蝕、板結等物理過程速度和幅度的關鍵指標之一，了解不同土地利用和土壤管理方式的物理過程和性質相當重要。 -
The whole tool adopts high - quality high - speed steel, which has got balanced hardening treatment, and 130 appropriate angle design. it can quickly lead in screw groove reduce resistance and improve corking efficiency
整體採用優質高速鋼材質，經均衡硬化處理， 130合理角度設計，能快速導入螺旋溝槽，減少阻力，提高工作效率。
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