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- The results of experiments showed that the Nb can raise the depth of diffusion zone,hardness,wear resistance,strength and toughness of the nitriding layer of the matrix steel. 實(shí)驗結果表明，鈮能增加擴散層深度、硬度及耐磨性，提高滲層的強韌性。
- She cast her eyes down to avoid direct eye contact. 她垂下雙目以避免對視。
- Clouds cause the diffusion of light from the sun. 云使陽(yáng)光漫射。
- That poor madam has lost all contact with reality. 那位可憐的夫人脫離了現實(shí)生活。
- For further information, contact your local agent. 要進(jìn)一步了解情況，請與本地代理商聯(lián)系。
- Have the children been in contact with disease? 孩子們同這種疾病有過(guò)接觸嗎？
- Helping a caller to contact somebody by phone. 幫助打電話(huà)者同某人電話(huà)聯(lián)系。
- I came in contact with her by telephone. 我和她通過(guò)電話(huà)聯(lián)絡(luò )。
- A poor contact causes power to fail occasionally. 接觸不良有時(shí)會(huì )造成斷電。
- Do you have soft contact lens care product? 有沒(méi)有軟性隱型眼鏡保養用品？
- I have a useful contact in New York. 我在紐約有個(gè)有用的人可以聯(lián)系。
- They made contact with headquarters by radio. 他們用無(wú)線(xiàn)電跟總部聯(lián)絡(luò )上 了。
- Expedite offer afraid buyer ready withdraw as others contact him. 糨公司正與之接觸，請速予報價(jià)，否則買(mǎi)主準備撤走。
- I've got a useful contact in the post office. 我在郵局有熟人。
- thermal diffusion zone 熱擴散區
- She hungered for some contact outside her own circumscribed world. 她渴望跳出自己的小圈圈與外界有所接觸。
- I finally made contact with her in Paris. 我終于在巴黎同她取得了聯(lián)系。
- Insulation used to prevent heat diffusion, as from a steam pipe. 絕熱材料用來(lái)防止熱量散失的絕熱材料，如從蒸汽輸送管上
- We made contact with the ship by radio. 我們通過(guò)無(wú)線(xiàn)電同那只船保持聯(lián)系。
- unexposed diffusion zone 未暴露擴散區
