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- This paper deals with the conditions, types, laws and mechanisms of atomic diffusion in nonferrousmetals and factors affecting the diffusion with some of the laws expounded. 本文概述了有色金屬原子擴散的條件和分類(lèi)、擴散定律、擴散機制和影響擴散的因素，并闡述了其中的一些規律。
- At high temperature, the material at the closed pore quickly completes the recrystallisation, but is needs a long time to weld the pore closure for atom diffusion. 高溫下的空洞閉合后能夠立即完成再結晶過(guò)程，但空洞焊合需要一定的保溫時(shí)間。
- The EDX analysises for the IMC of Sn-3Ag-0.5Cu/Cu and Sn-0.7Cu/Ni solder joints indicate that different magnetic field directions have different effects on the atomic diffusion of different constitute elements. 且正反向強磁場(chǎng)條件下Sn-3Ag-0.;5Cu/Cu焊點(diǎn)及Sn-0
- The machine must break down at this busy hour. 正忙的時(shí)候，機器偏偏又壞了。
- The uses of this machine are manifold. 這臺機器有多種用途。
- The atom bomb is of catholic concern. 原子彈受到普遍的關(guān)注。
- The new grinding machine passed all tests. 這臺新磨床通過(guò)了所有的試驗。
- That cannot get up an atom of sympathy for them. 那并不能激發(fā)起人們對他們的絲毫同情。
- The ship was sunk by an atomic submarine. 這艘船是被一艘核潛艇擊沉的。
- Oil feeds into the machine through this tubing. 油經(jīng)過(guò)這個(gè)管子流入機器。
- Scientists have unlocked the secret of the atom. 科學(xué)家已經(jīng)揭開(kāi)了原子的秘密。
- Clouds cause the diffusion of light from the sun. 云使陽(yáng)光漫射。
- Did you get a good trade-in on your sewing machine? 你以舊縫紉機折價(jià)換新合算嗎？
- Our first atomic reactor was built in1958. 我們第一個(gè)原子反應堆建于1958年。
- You may stop the machine by pushing this button. 按下這個(gè)按鈕你就可以關(guān)掉這個(gè)機器。
- An atomic bomb can annihilate a city. 一枚原子彈能毀滅一個(gè)城市。
- Just press the button and the machine will start. 只要一按電鈕，機器就會(huì )開(kāi)動(dòng)。
- The reactor was built for tame atomic energy use. 這座反應堆是為原子能的安全使用而建造的。
- The machine cast up a big heap of earth. 機器卷起了一大堆泥土。
- The machine feeds back everything you need to know. 這架機器可以把你所需要知道的全部材料再提供出來(lái)。
