热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

單詞乎

cementation

音標(biāo)[,si:men'tei??n]
cementation是什么意思、cementation怎么讀

cementation漢語翻譯

n. 水泥接合, 黏結(jié), 膠結(jié)
【醫(yī)】 粘固[作用]

cementation詳細(xì)解釋

ce.men.ta.tion

n.(名詞)
The act, process, or result of cementing.
粘結(jié):膠結(jié)的動(dòng)作、過程或結(jié)果
A metallurgical coating process in which iron or steel is immersed in a powder of another metal, such as zinc, chromium, or aluminum, and heated to a temperature below the melting point of either.
滲碳處理:一種冶金鍍膜工序,在此工序中把鋼或鐵浸入另一種金屬如鋅、鉻或鋁的粉劑里,并加熱至這一金屬的熔點(diǎn)溫度以下

0
糾錯(cuò)