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Pressure (kg/cm2)Regular maintenance generally refers to the regular inspection and maintenance of hardware facilities. The range of detection here is as wide as possible. If the range is too large, Depending on asset type and asset range, Sampling tests are conducted, But all machines must be checked once a year, Replace the equipment with unstable performance or failure in time. Attention should be paid to monitoring the hardware equipment here. I have encountered the event of standby server failure for half a month. Let's not talk about it. Finally, maintenance should cover all equipment, regardless of network, security, server, basic power, air conditioning, UPS, etc.2. The registerForm.onsubmit function lacks flexibility. If we add a new validation rule or want to change the length validation of passwords from 6 to 8, we must change the code inside the registerForm.onsubmit function. Violating the open-closed principle.是的。在秦国的成功，为我们范家带来了非常巨大的收益。　　金大义态度恶劣，任性，几次粗暴地将大嫂端给他的饭打翻。当村中的刘文书告诉大嫂他是回民时，大嫂原谅了他。由于伤口感染，金大义一连数日处于高烧昏迷当中，大嫂不分昼夜地守护一旁。大嫂的善良举动，使金大义滋生了一丝安全感，情绪逐渐稳定。过年了，婆姨们盼望男人归来，　　住在建造于阿比斯边缘的城镇“奥斯”的孤儿莉可，