They placed very stable and accurate atomic clocks on regularly scheduled jet airliners.他们将非常稳定、准确的原子钟装在定期飞行的喷气式班机上.The flier flew a new - type jet plane.飞行员驾驶一架新式喷气机.It is becoming accepted practice that jet aircraft mu...
幼苗通常都会放在冷床里越冬。The young seedlings are usually wintered in a cold frame.保持土壤湿润，那样幼苗就能茁壮成长。Keep the soil moist. That way, the seedling will flourish.我正在移植一些卷心菜幼苗.I'm just going to prick out some young cabbage plants....
研究骨胶与表氯醇的接枝共聚反应.Grafting copolymerization of epichlorohydrin and bone glue was investigated.传统的氯醇化方法为气相循环法.The conventional method is the gas - phase recycling method.设备方案.该项目主要生产设备为氯醇化反应器 、 皂化塔 、 精馏塔 、 脱水塔等.Main equipme...