例句與造句

1. The reasons why surface of workpiece is moistened from bottom to top in quenching and axial hardness gradient is generated after quenching are also given in this paper
   對(duì)試驗(yàn)中所觀察到的工件表面由底部向頂部逐漸潤(rùn)濕的現(xiàn)象，以及淬火后工件產(chǎn)生軸向硬度梯度的原因進(jìn)行了解釋。
2. Test results show that the formation of protective nut by laser welding have narrow heat affect zone and minimum organization grow up inclination , gentle hardness gradient , and the protective cover is nearly not out of shape
   研究結(jié)果表明，防護(hù)螺母激光焊接成形具有最窄的熱影響區(qū)和最小的組織長(zhǎng)大傾向，硬度梯度平緩，且防護(hù)罩幾乎沒(méi)有變形。
3. It's difficult to find hardness gradient in a sentence. 用hardness gradient造句挺難的