The service environment of coagulating the teachers.凝聚教师的服务环境.Compound coagulating bath of bicomponent or tricomponent were found having better molding effect.凝固浴以双组分及三组分效果较好.This paper reviewed briefly the research prog...
The best airships were the giant Graf Zeppelin and the luxurious Hindenburg of the 1930s.最好的飞船是20世纪30年代特大的齐柏林号和豪华的兴登堡号。The reason for the British bias towards airships at this stage is not hard to deduce.弄清英国人在这个阶段如此热衷于建...
琴键是钢琴上用手指敲击的部件,它能使钢琴发出乐音.A key is the part of a pianoforte that you touch to make music.它们可以是5个乐音 ( 5声音阶 ),也可是6个乐音 ( 6声音阶 ).These may be five - tone ( pentatonic ) or six - tone ( hexatonic ) scales.我让这悦耳美妙、闪着光芒的乐音净化我的心灵...
In comparison to other leathers, deerskin offers comparatively high tensile strength.与其它皮革相比, 鹿革有更高的拉伸强度....an impressive range of upholstered furniture, in a choice of fabrics and leathers.琳琅满目的覆面家具，有多种布料和皮革可供选择...a cou...