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  2. 專售各式軸承、塑料軸承、高溫軸承、不銹鋼軸承等,規格種類齊全,歡迎來電洽詢! 提供各式特殊規格軸承、客制化軸承生產製造等服務,交貨準時迅速,業界好評推薦!

    • 陶瓷軸承

      耐磨、耐蝕、耐高溫、電絕緣

      不導磁、高強度、高剛度、比重小

    • 塑料軸承

      潤滑性、低摩擦系數、機械強度高

      耐磨性強等優點

    • 特殊性軸承

      特殊用途的軸承、非標準型的軸承

      、特殊尺寸軸承,如諧波軸承

    • 高溫軸承

      高溫硬度和高溫耐磨性、高溫接觸

      、抗氧化性能、高溫耐沖擊性能

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  1. 3LR12 (4.5-volt), D, C, AA, AAA, AAAA (1.5-volt), A23 (12-volt), PP3 (9-volt), CR2032 (3-volt), and LR44 (1.5-volt) batteries. This is a list of the sizes, shapes, and general characteristics of some common primary and secondary battery types in household, automotive and light industrial use. The complete nomenclature for a battery specifies ...

  2. www .iso .org. [2] The International Organization for Standardization ( ISO / ˈaɪsoʊ / [3]) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries. [4] Membership requirements are given in Article 3 of the ISO Statutes.

    • 168 members, (39 correspondents and, 4 subscribers)
    • Ulrika Francke
  3. en.wikipedia.org › wiki › CRISPRCRISPR - Wikipedia

    CRISPR (/ ˈ k r ɪ s p ər /) (an acronym for clustered regularly interspaced short palindromic repeats) is a family of DNA sequences found in the genomes of prokaryotic organisms such as bacteria and archaea. These sequences are derived from DNA fragments of bacteriophages that had previously infected the prokaryote. ...

  4. Polytetrafluoroethylene is a fluorocarbon solid, as it is a high- molecular-weight polymer consisting wholly of carbon and fluorine. PTFE is hydrophobic: neither water nor water-containing substances wet PTFE, as fluorocarbons exhibit only small London dispersion forces due to the low electric polarizability of fluorine.

  5. A sealed deep groove ball bearing. In mechanical engineering, a rolling-element bearing, also known as a rolling bearing, [1] is a bearing which carries a load by placing rolling elements (such as balls or rollers) between two concentric, grooved rings called races. The relative motion of the races causes the rolling elements to roll with very ...

  6. Marty Stratton and Hugo Martin, directors of Doom. Doom is a first-person shooter video game and a reboot of the Doom franchise released on May 13, 2016. Players take the role of an unnamed space marine who battles demonic forces within an energy-mining facility on Mars and in Hell. The game also has an online multiplayer mode and a level editor.

  7. Current ISO 3166 country codes. The sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted.

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