All rubber elastomers shall be of chloramine resistant material.所有弹性合成橡胶应该是耐氯胺腐蚀材料.The results indicate that chloramine is of notable inactivation effect on Cyclops.结果表明,氯胺对剑水蚤具有显著的灭活作用.All wetted rubber parts shall be m...
They lived in an earthly paradise.他们生活在人间天堂。the sorrows of this earthly life尘世的悲哀You've no earthly chance of driving from London to Bristol in under an hour.你根本不可能在一小时内驱车从伦敦到达布里斯托尔....
The gas had apparently leaked from a cylinder.气体似乎由一汽缸漏出。a propane gas cylinder丙烷气钢瓶The mixture is fed into the cylinder from the carburettor.混合体由汽化器注入汽缸....
All the representatives must report themselves on time.所有的代表都必须准时报到。They were sent out as our representatives.他们是作为我们的代表被派出去的。Our representatives are ready to help you at all times.我们的代表随时乐意帮助你。There will be an economic ...