不切实际想法。完美主义或控制型个性会导致不必要的高压力。对时刻安排计划过度、不做计划都会导致担忧。
Unrealistic expectations. A perfectionist or controlling personality may lead to unnecessarily high stress levels. Overscheduling and not planning ahead can lead to worries.
利用介质自身的压力，控制并具有延时关闭功能，从而消除或缓解水锤的智能型止回阀。
The valve use medium pressure of its own, control and turn off with a delay function to eliminate or alleviate the water hammer.
伺服控制型文变压力试验机将成为国内外交变压力试验机的发展趋势。
Servo control alternating pressure test will be the trend of alternating pressure test in nation and abroad.
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