Method of mensurating soil Arsenic and Hydrargyrum simultaneously using microwave digestion hydride - atomic fluorescence spectrometry was setup.建立了氢化物 - 原子荧光法同时测定土壤中砷和汞的方法....
Jig plates can be divided into fixed , hinged demountable and swing types.常见的钻模板有固定式、铰链式、可卸式 、 悬挂式等四种结构形式.The mirror was hinged to a surrounding frame...用铰链把镜子和外框连接在一起。The ailerons on an airplane are hinged to the wing.飞...