In order to meet the technical requirements for the blade production, the main equipments which are made with advanced composite materials should be the indispensible premise.
为了满足风力机复合材料叶片生产的关键工艺要求，采用新型的复合材料叶片模具作为核心工艺装备成为必备条件。
Meanwhile, I will try to practise my eloquence because it's a a indispensible element for me to be qualified for such a excellent occupation.
与此同时，我要锻炼我的口才，因为这是不可或缺的因素对于这个行业。
The evaluation criteria for rationality of practice should be defined respectively according to the three indispensible parts:rationality of end, rationality of instrument and rationality of value.
实践合理性的评价标准应当从实践合理性三个不可或缺的组成部分（目的合理性、工具合理性、价值合理性）分别加以考察。
Used as the auxiliary supporting system for erection of the spans, the pier-side brackets to be arranged at the main piers of the bridge were indispensible.
南京大胜关长江大桥主桥钢桁拱采用架梁吊机双悬臂架设方案，主墩墩旁托架作为架梁的辅助支承体系必不可少。
Used as the auxiliary supporting system for erection of the spans, the pier-side brackets to be arranged at the main piers of the bridge were indispensible.
南京大胜关长江大桥主桥钢桁拱采用架梁吊机双悬臂架设方案，主墩墩旁托架作为架梁的辅助支承体系必不可少。
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