The main characteristic of roller grindery and the survey of wide - thick plate mill engineering are introduced.介绍宝钢宽厚板轧机工程概况及磨辊间主要特点,阐述了宽厚板轧机磨辊间设计中应注意的问题....
A burro is carrying salt of one large bag backcross a river.有一头驴子驮着一大袋子盐过河.The method can be conveniently applied to practical backcross breeding programs.该方法可以很方便地应用于实际的回交育种....
Microscopically the ores are medium grained to amorphous.显微镜下,矿石为中粒至非晶质.The only local coarse - grained sand - stones in the uppermost part are important for uranium.仅最上面局部的粗粒砂岩对铀是有利的.Fine - grained clay may settle out i...
All they heard was the wind whispering through the treetops.他们听到的只有风吹过树梢的飒飒声。They were whispering endearments to each other.他们彼此低声倾吐着爱慕之情。He could hear whispering and scuffling on the other side of the door.他能听见门那边的低语声和窸...