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小儿最早能准确地运用“妈妈”、“爸爸”两词的时间是( )。
下列各项中,2011年同比增长率最大的是( )。
下列哪项不是非甾体抗炎药的不良反应()
钱掌柜的买家级别分为:白金会员,至尊会员,高级会员。
论证的功能包括证成和()。
驻波比就是一个数值,用来表示天线和电波发射台是否匹配。如果驻波比值等于1,则表示什么意思?
抽样推断
公路养护的任务是什么?
下列经济因素中,对长期总供给有决定性影响的有( )。Ⅰ.劳动Ⅱ.价格总水平Ⅲ.资本Ⅳ.技术
关于心前区震颤的叙述,正确的是()
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On an anchor windlass,the wheel over which the anchor chain passes is called a()...
The sprocket wheel in a windlass,used for heaving in the anchor,is called a().
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The part of the anchor windlass that engages the anchor chain for lifting is cal...
If an anchor windlass has been idle for some time, you should ().
If an anchor windlass has been idle for some time, you should ().
If the pump for a hydraulic anchor windlass is overheating, the cause may be ().
The purpose of the stripping bar on an anchor windlass is to().
The opening in the deck beneath the anchor windlass that leads to the chain lock...
What is the principle behind dynamic braking as used on an anchor windlass?()