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to phrases
grab sampling
chem. 简单取梓
geol. 手选〔简单〕取样
met. 现抓取法取样; 抓样
nucl.pow. 手选取样
space 随机抽样; 简单取样
tech. 抓取法取样; 拣块采样; 定时取样
textile 抓毛取样
grab sampling: 3 phrases in 1 subject
Technology3