The effect of nitrogen can be overcome by sheathing the flame in argon.氮的影响则可以通过用氩气包覆火焰而予以克服.Sheathing layer: PVC extruded polyethylene or in the form of weaving.护套层: 用聚乙烯或聚氯乙烯挤塑在编织层上而成的.Fixed an issue where Fist weapons...
He entreats a bowstring to be fastened on the arm, must not fasten on the neck.他请求把绞索系在手臂上, 千万不要系在脖子上.An arrow fitted to the bowstring cannot avoid being discharged.箭在弦上,不得不发.It is hard to bull back the bowstring.要拉开弓弦挺难...
The combined contraction of the atria and ventricles is a heartbeat.心房和心室的这一系列动作合称为一次心跳.During inhalation, contraction of the intercostal muscles elevates the ribs.吸气时肋间肌收缩,提起肋骨.The surface electromyogram ( EMG ) and int...
Mechanization happened years ago on the farms of Islay.数年前，艾莱的农场就实现了机械化。Her son used sign language to tell her what happened.她儿子用手语告诉她发生了什么事。Elaborate efforts were made to reconstruct what had happened.为重现当时的情景，他们做了大量细致的...