The heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials.以正庚醛 、 硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛.Keep the rough edge of the fabric aligned with the raw edge of the pipi...
Use separate chopping boards for raw meats, cooked meats, vegetables and salads.切生肉、熟肉、蔬菜和拌色拉的青菜时要使用不同的切菜板。The mere mention of John had touched a very raw nerve indeed.提到约翰就真的让人心痛。He also wanted to see Bangladesh in the ...
The sperm whale is believe to dive deeper than any other cetacean.人们相信,抹香鲸比其他鲸类动物潜得更深.Impossible, cetacean and larynx is very narrow.不可能, 鲸鱼的咽喉非常狭小.A cetacean ( Grampus griseus ) related to and resembling the dolphins bu...
使用该方法冷镦凹模寿命低.The cold upsetting matrix's life is relatively short in this way.本文简要地介绍了我公司冷镦钢 ( SWRCH35K ) 的研制、开发情况以及生产工艺.The research development and technology of cold heading steel ( SWRCH 35 K ) are introduced.冷镦...