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One question per day; no prize for correct answers, it’s mainly for entertainment

2019-12-10View Original

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The even adjustment of the upper and lower dead centers in a reciprocating compressor cylinder can be achieved using ( ). A. Slider B. Piston C. Piston rod cap. The answer to the question from yesterday was B. 37. The rotation direction of the mechanical seal spring in a pump should be ( ) to the rotation direction of the shaft, so as to ensure that it becomes tighter as it rotates. ?A、Same B、Opposite

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