Cobalt - based alloy is a kind of important materials used in elevated temperature.钴基合金是一种重要的高温材料.Recovery of cobalt from Co - Ni residue in zinc hydrometallurgy has been studied.研究了从湿法炼锌净化钴镍渣中回收有价金属....a woman in a soft...
那位演唱者的姐姐用钢琴给她伴奏.The singer was accompanied at / on the piano by her sister.这个节目评选出流行歌曲的最佳演唱者.The program searches for the best young singers of popular songs.演唱者由他的学生担任钢琴伴奏.The singer was accompanied at the piano by his ...
阀座环–硬面阀座环焊入阀体内.Seat Ring – hard faced seat rings are welded to body.整体后座–硬面,使用寿命最长.Integral Backseat – hard faced for maximum backseat life.带有H的阀内件型号具有钴合金硬面阀座环表面.Trim numbers with H have cobalt alloy hard faced seat ring...
Aid, however it is obtained, is demeaning to the recipients.不管救助是如何取得的，对受益人来说都不是很光彩的事。He found it demeaning to work for his former employee.他觉得为自己以前的雇员工作有失体面。It was a demeaning and ultimately frustrating experience.那是一次有...