The smell of sawdust and glue pervaded the factory.工厂里弥漫着锯屑和胶水的气味。Using a small brush, he brushed away the fine sawdust.他用一把小刷子刷掉细锯末。...a layer of sawdust.一层锯木屑Lignin and small amounts of un - hydrolyzed cellulose and he...
The smell of sawdust and glue pervaded the factory.工厂里弥漫着锯屑和胶水的气味。Using a small brush, he brushed away the fine sawdust.他用一把小刷子刷掉细锯末。Sawdust was used as a hygienic floor covering.锯屑曾被用来铺在地上保持地面清洁卫生。...
Stencil manufacturing techniques include chemical etching, laser cutting and electroforming.钢网制作技术包括化学腐蚀, 激光切割和电铸.Original plate: Relief printing plate produced bu 7 photomechanical etching as distinct from electrotyping...
其他乐器还有块根芹手鼓 、 茄钹和南瓜鼓.Other instruments include celeriac bongos , eggplant cymbals and pumpkin drums.成熟块根中积累丰富的淀粉.The mature tuberous root accumulates a number of starch grains.生药甘遂为大戟科[euphorbiacea]植物甘遂[ Euphorbia kansui...