noun 下载 🔗分享 分样器，缩分器。 A mechanical device consisting of a metal box with a series of vertical slats through which material is poured and randomly divided into two samples; this process is repeated to obtain a small representative sample of a bulk material. Examples : "The technician used a riffler to divide the large bag of soil into a smaller, more manageable sample for lab analysis. " 技术员使用了分样器，把一大袋土壤分成了一个更小、更易于处理的样本，以便进行实验室分析。 material technology machine industry science process device 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 锉刀，异形锉刀 A curved file used in carving wood and marble. Examples : "The sculptor used a riffler to carefully smooth the intricate details on the marble statue. " 雕塑家使用一把异形锉刀，小心地打磨大理石雕像上错综复杂的细节。 art utensil work 与AI对话词汇游戏阅读练习
