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钢梁端部,拱桥温度伸缩缝和拱顶等处前后各2m范围内不能有钢轨接头。
对于新滥用权利理论理解错误的是()
风湿病中下列疾病测定HLA等位基因HLA-B27阳性率最高的是()
叶滤机的洗涤方法为();板框压滤机洗涤方法为()。
我国经济作物布局特点不包括()。
一般情况下,银行为出口商办理福费廷业务后,对出口商无追索权,但若因()造成无法收回的,兴业银行应积极向申请人追索,要求其退还福费廷款项并支付违约金。
关于RAM和ROM的论述错误的是:()
布景中的物品摆置多采用()等形式或灯光投影方式
下列有关我国城镇职工医疗保险制度,说法正确的有()
220KV电气设备部停电的安全距离是()米.
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Mooring winches are often combined with () units so that one prime mover drives ...
Mooring winches are often combined with () units so that one prime mover drives ...
In an automatic mooring winches, the wire is paid off the barrel at() a tension ...
In an automatic mooring winches, the wire is paid off the barrel at() a tension ...
Worm geared automatic mooring winches are () as the multi-start feature reduces ...
The majority of automatic mooring winches are spur geared to improve the backwar...
Worm geared automatic mooring winches are () as the multi-start feature reduces ...
The spur geared mooring winches have advantages over worm geared ones in()
The majority of automatic mooring winches are spur geared to improve the backwar...
The spur geared mooring winches have advantages over worm geared ones in()