חֲדָשׁוֹת

  • 电机点火原因

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    ##################################################################################################################################################################################################################+++++++++++########################################################################################################################################################
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  • 热塑复合材料在欧洲很受欢迎

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    +++++++2+++2017-1.2-2022###########################################
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  • 为何设置石油回流管

    .........

    开工##################################################################################################
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  • 坏冷油毁了压缩机

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    开工QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
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  • 吸附处理成本飞涨

    ........

    +++++++++++++++.......
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  • 如何清除贝壳-管冷凝器

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    ישנן שלוש דרכים למנוע ולהסיר אבנית: 1.############################################################################################################################################################################
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  • 冷藏油综合知识

    ........

    סיווג שמן קירור האחד הוא שמן מינרלי מסורתי;השני הוא אסטרים סינתטיים של פוליאתילן גליקול כגון PO, שמן פוליאסטר הוא גם שמן סיכה פוליאתילן גליקול סינתטי.POEQQQHFCPAG+
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  • 常用冷媒特征

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    开工R22+++++++++++++++++++++++++++++++
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  • 10常用冷冻系统故障

    10++++++

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  • 识别冷冻铜管质量

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    +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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  • 是什么导致低冷冻效率

    ????

    开工נזילת נוזל קירור [ניתוח תקלות] לאחר דליפת קירור במערכת, כושר הקירור אינו מספיק, לחץ היניקה והפליטה נמוכים, ושסתום ההתפשטות יכול לשמוע זרימת אוויר לסירוגין הרבה יותר גדולה מהרגיל.################################################################################################################
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  • 华氏2018

    华氏2018

    ++++++++++++++++++++++++++++++++++++++++++++
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