Let's take a breather before we go on.喘口气再干.Relax and take a breather whenever you feel that you need one.要放松，什么时候觉得需要休息就休息一下。Breather valve and flame arrestor are indispensable safety devices.可见呼吸阀、阻火器是储罐不要缺少的安全设施....
Relax and take a breather whenever you feel that you need one.要放松，什么时候觉得需要休息就休息一下。Let's take a breather before we go on.喘口气再干.The fresh - air inlet was usually the crankcase breather cap.新鲜空气进口一般是曲轴箱通气盖....
Its historic buildings are being slowly and splendidly renovated.此处的历史建筑正被缓慢且精心地修复着。The groups had historic scores to settle with each other.这两个集团之间有几笔旧账要了结。Much of historic Rennes was destroyed by fire in 1720.雷恩古城的大部分在...
酶促酯交换反应, 尤其酸解是一种可逆反应, 即反应有平衡点,山于平衡的原因,通过这种反应得到的最终产品的得率不理想.Specific lipase - catalyzed interesterification, especially acidolysis is reversible reaction, leading to equilibrium.着重介绍了 非水 介质中的酶促反应用于手性化合物的拆分.The split of chi...