This article introduced a method for preparing α - chloro - isobutylaldehyde , in order to explore a practical chloration of oxo - compound.本文介绍了制备氯代异丁醛的方法, 其目的在于探索羰基化合物的一种实用的氯代方法....
这撬棒准是用于不可告人的目的的.This lever must serve some ulterior purpose.如胎压枪、扩胎机、补胎机、胎压表、充气管、快充工具 、 轮胎撬棒、平衡锤 、 打磨机 、 滚压实轮、各种轮胎扳手.Quick filling tool crow bar tire balance weights, scrapers, rolling real round, various tire wrench....