The setting of mechanical specifications for catalysts should take into consideration the needs of the user.催化剂的机械测试技术规范的制定应考虑到用户的需要.What factors does he take into consideration in determining the grades?打分时他要考虑哪些因素?We h...
The usher seated them in the front row.引座员让他们在前排就座.He did part-time work as an usher in a theatre.他在一家戏院兼职当引座员。Otherwise, you will usher in disastrous consequences.否则, 你将会迎来不堪设想的后果.After he left school, he tried his hand...
他们已用栏杆把草地和新铁道的路堑隔离开来.They have railed the meadows off from the new railway cutting.铁道的栅栏阻止行人跨越轨道.The railroad gates debar people from crossing the tracks.综合治理电气化铁道的谐波和无功均要求动态补偿无功功率.The composite compensation of harmonic ...