The magnetic flowmeter is expensive but has found wide application.电磁流量计虽然价格昂贵,但用途广泛.The intention of this article is phase difference ultrasonic flowmeter.本论文的研究对象是相位差法超声波流量计.The design of Coriolis force mass flowmeter ...
Eleanor had become quite attached to Mays, though their skins were of different colors.埃莉诺早已非常喜欢梅斯, 虽然他们两人的肤色不同.There exist complete cross - incompatibility and also partial incompatibility in Zea mays.在玉米属中,既存在完全的杂交不亲和性...