The basic components of head, column pipe and bowl assembly are combined and customized to perfectly match individual duty needs.
泵的基本部件如出口段、圆柱管和导流壳组件等可以组装在一起，并根据客户要求很好地满足不同的工况需要。
Examples are cited to analyze the loss of heat duty for rigid pipe supports, providing an approach for piping design to avoid heat duty loss at limit supports.
列举实际例子分析了刚性管架热失载问题，提供了一种在配管设计中避免限位支架热失载的手段。
The lab must work out the principle of duty, the watch must check up the power, the water pipe, the window and the door to make sure the lab is safe.
实验室应建立安全值班制度，值班人员应负责锁门、检查电源、水管、门窗等，以确保安全。
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