v-bar中文什么意思

平均速度

形棒

• v:     a V-belt 【机械 ...
• bar:    n. 1.棒，杆，条；棒状物。 2. ...
• charpy v-notch bar:    夏氏v形缺口试棒

例句与用法

1. Abstract : a v - bar flowmeter is introduced . the flowmaeter equipped with automatic pressure and temperature compensation and teletransmission . the operational principle , basic strucure and features of the flowmeter are described
   文摘:介绍一种带压力、温度自动补偿的电远传楔型流量计，阐述了该流量计的工作原理、基本结构和性能特点。