Flying at 1,000 ft. he heard a peculiar noise from the rotors.在1,000英尺的高度飞行时，他听到旋翼发出一种奇怪的噪音。A plane with Danish markings was over-flying his vessel.一架带有丹麦标记的飞机从他的船上空飞过。At least four high-flying warplanes had to take evas...
The single - arch flying Buttresses at the eastern end are notable for their Boldness and grace.东侧的单拱飞扶垛以雄健优雅着称.Some " creatures ", flying through space in their own ships, will come upon one of the Voyagers.一些乘坐他们自己的宇宙飞...
汽车油槽车火灾的原因是装油设备不规范, 冒油泄漏及静电放电等.A tank truck fire is usually contributed to unqualified equipment, oil leak or discharge of static.整个火灾中, 烧毁发油台部分设备, 油槽车报废.In whole fire, equipment of share of station of down hair - oil, t...
The mechanism of electroless nickel deposition in sodium hypophosphite bath is discussed.探讨了次亚磷酸钠体系化学镀镍沉积机理.Electroless copper plating on PET fabrics using hypophosphite as reducing agent was investigated.研究了采用次磷酸钠作还原剂在涤...