本文阐述了电蚀加工用易切削电极材料的研制.The preparations of a free - machining electrode material used in electrolytic corrosion processing is related here.高闪点,就算是高电流量电蚀也极为安全.High flash point which ensures a safety working environment even...
I wound up the watch and listened to it tick.我给表上紧发条,听着它嘀嗒作响。He nodded and puffed on a stubby pipe as he listened.他边听边点头,还吸着一支粗短的烟斗。She always listened earnestly as if this might help her to understand.她总是很认真地听,就好像这能帮助她弄...
他们用步量出这个花园的长度.They paced out the length of the garden.他用步子量出那房间的长度和宽度.He paced out the length and width of the room.他用脚步量出从学校到公共汽车站的距离.He paced the distance off from the school to the bus station....
构造了非简谐振子湮灭算符3次幂的正交归一本征态.A method for constructing orthonormalized eigenstates of annihilation operator b 3 - of a non harmonic is presented.采用七水硫酸亚铁与本征态聚苯胺的固相掺杂反应,获得了同时具有导电性和导磁性能的新型结构复合材料.The electrical and magnetic cond...