酰基甘油：一种甘油酯或者一种或几种脂肪酸。
酰基甘油：一种甘油酯或者一种或几种脂肪酸。
Acylglycerol (glyceride) an ester of glycerol and one or more fatty acids.
加进下列一种或几种元素可制成各种合金钢：镍、钨、硅和少量别的合金元素。
1 alloy steels are formed by the addition of one or more of the following elements: nickel, tungsten, silicon, and small amounts of other alloying elements.
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