rings and peep volume 环和窥视卷 ; 戒指和窥视量
This system tests seal rings and records the volume of fluid that leaks past the rings at variable temperatures, pressures and speeds.
此系统用于测试密封圈并记录部件泄露的流体在不同容量，温度、压力和速度下部件泄露的流体量。
Growth process of height, diameter and volume of the largest two stems of some sampled black locust stands on Weibei-loess plateau were described by analyzing stem disks and growth rings.
通过对渭北黄土高原刺槐人工林最大林木的树干解析和年轮分析描述了林分最大两株林木的树高、直径和材积生长过程。
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