He was involved in oil, zinc and lead prospecting.他参与了石油、锌和铅的勘探。Brass is an alloy of copper and zinc.黄铜是铜锌合金。the fusion of copper and zinc to produce brass铜与锌熔合成黄铜...
Zinc dialkyl dithiophosphate ( ZDDP ) is disintegrated with wet method. S, P, Zn is determinated.用湿法分解二烷基二硫代磷酸锌盐 ( ZDDP ) 样品,同时测定硫 、 磷 、 锌的含量.Recovery of cobalt from Co - Ni residue in zinc hydrometallurgy has been studi...
At the macroscopic level, an ideal gas is defined by a process of extrapolation.从宏观角度看, 理想气体的定义是由推论而得来的.He estimate his income tax bill by extrapolation from figures submit in previous year.他从前几年的报税数字推算出自己应缴的所得税数额.His es...
The colloquy between them was brief.他们之间的对话很简洁。The colloquy which followed was brief and to the point.两人的对话既简短,又直截了当.They entered into eager colloquy with each other.他们展开热切的相互交谈....