Последние добавленные видео:
机械密封
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7 years ago
13935 7 years ago 1:53表面纹理机械密封的介绍
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2 years ago
94326 2 years ago 1:59O型密封圈，别看它结构简单不起眼，作用可不小
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9 months ago
35 9 months ago 4:23change mechanical seal 更换机械密封
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2 years ago
148 2 years ago 26:55特殊搅拌设备上的机械密封解决方案介绍
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8 years ago
4731 8 years ago 7:01KS离心泵机械密封维修 baofeng
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2 years ago
100 2 years ago 4:00John Crane Diamond® | John Crane (Chinese)
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2 years ago
21 2 years ago 1:58Sealing technology expert is how to make密封技术达人是如何炼成的
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4 months ago
13 4 months ago 2:18动画详解油封的密封原理，瞬间懂了
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6 years ago
210 6 years ago 1:01KIESEL 2925 - MECHANICAL SEALS Ø53 DIN 24960 - Tenuta meccanica -Selos mecânicos - 机械密封
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1 year ago
48 1 year ago 1:01集装式机械密封mechanical seal
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2 years ago
517 2 years ago 2:04過濾器機械軸封構造
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11 years ago
8856 11 years ago 22:38Durco Mark 3 ASME 化工流程泵维护