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石油沥青卷材储存温度不得超过40℃，煤油沥青卷材储存温度不超过45℃。
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王某在甲研究所长期从事饮水处理技术及其设备的研制工作。2000年7月，王某利用研究所有关图纸、资料，独自设计了一种饮水净化机。2001年10月，王某辞职到乙矿泉设备厂工作，同年11月乙矿泉设备厂利用王某带来的技术试制成功该饮水设备，并少量投入生产。2002年6月，甲研究所就“矿泉水制造方法及其装置”向专利局申请专利，专利局认定专利申请人是甲研究所，对此，王某和乙厂提出异议。 甲研究所获得专利权后，王某作为设计人( )。
快挥发性冷底子油一般涂刷在终凝前的水泥砂浆基层上，慢挥发的冷底子油一般涂刷在已硬化干燥的水泥砂浆基层上。
阅读下面的短文，文章有5处空白，文章后面有6组文字，请根据文章的内容选择5组文字，将其分别放回文章原有位置，以恢复文章原貌。 Like fine food, good writing is something we approach with pleasure and enjoy from the first taste to the last. (46) . Quite the contrary, just as the cook has to undergo an intensive training, mastering the skills of his trade, the writer must sit at his desk and devote long hours to achieving a style in his writing, whatever its purpose school work, matters of business, or purely social communication. (47) . There are still some remote places in the world where you might find someone to do your business or social writing for you, for a fee. There are a few mangers who are lucky enough to have the service of that rare kind of secretary who can take care of all sorts of letter writing with no more than a quick note to work from. (48) . We have to write school papers, business papers or home papers. We are constantly called on to put words to paper. It would be difficult to count the number of such words, messages, letters, and reports put to the mails or delivered by hand, but the daily figure must be enormous. (49) . We want to arouse and hold the interest of readers. We want whatever we write to be read, from first word to last, not thrown into some "letters-to-be-read" file or into a wastepaper basket. (50) . A. But for most of us, if there is any writing to be done, we have to do it ourselves B. However, the managers may sometimes cause the writers a lot of trouble C. Any good writers, like good cooks, do not suddenly appear full-blown (成熟的) D. What is more, everyone who writes expects, or at least hopes, that his writing will be read E. This is the reason we bend our efforts toward learning and practicing the skills of interesting, effective writing F. You may be sure that the greater the effort, the more effective the writing, and the more rewarding
采用两种以上标号沥青熬制玛渧脂，应先放软化点高的沥青，再放软化点低的沥青。
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