portable sampling drill的意思|示意
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轻便取样钻机
portable sampling drill的网络常见释义
便携式取样钻机 ... portable sampler 手提采样器 portable sampling drill 便携式取样钻机 portable scale 手提秤 ...
portable sampling drill相关例句
Portable Sampling Drill QY-3 was developed to meet the requirements of generally geological survey.
3型轻便取样钻机是为满足地质大调查的需要而研制的。