消防员须身穿保护装置及正压呼吸设施.Firemen should wear proper protective equipment and positive pressure self - contained breathing apparatus.可以工作在正压或负压下, 简单的螺丝刀调节, 多种弹簧可选.They work under pressure or suction. Simple screwdriver adjustmen...
...an ambassadorial post.大使级职位Sino - American Ambassadorial Talks ( 1955 - 1958 )中美大使级会谈研究 ( 1955-1958年 )Only two women hold ambassadorial rank.只有两位妇女担任大使.Potential members include Ambassadorial Scholars , Rotaractors, a...
有限的证据认为鹿和猪有易感性.Limted evidence suggests susceptibility in deer and swine.这种易感性可能不仅仅是由于民族遗传差异.This susceptibility might not be due merely to ethnic genetic differences.研究TLR9基因多态性与肺癌易感性的关系.To study the association between...
Braille used raised dots, just as in night writing.在代码中,布莱叶使用突起的小点, 就像“夜间文字”中所用的小点一样.Soon they were only dots above the hard line of the horizon.很快他们就成了地平线上的几个小点了。Are these dots and squiggles supposed to be your signatur...