nickel sulphide fire assay 锍试金
pb fire assay 铅试金
fire assay procedure 火试金法
commercial fire assay method 商业火试金法 ; 商业消防检测方法 ; 商业火含量方法
lead fire assay 铅试金
fire-assay method 火试金法
fire assay method 火试金法
namely fire assay 火法试金
Can fire assay, a woman may try to use gold, men may try to use a woman.
试金可以用火,试女人可以用金,试男人可以用女人。
The other factors influencing the size of lead buttons in fire assay are also discussed.
对影响铅扣大小的其他因素进行了探讨。
The trace Rh was concentrated with minified nickel sulfide fire assay before it was determined.
测定之前,痕量铑用小硫化镍试金富集分离。
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