valve spring cover 气门弹簧盖
valve spring cover gasket 阀簧盖衬
Spring Cover MW 卷簧盖
Spring Cover NW 卷簧盖
Steel spring cover 板簧盖板
SPRING COVER FOR COMPRESSION VALVE 气伐弹簧盖
box spring mattress cover 框架弹簧床垫套 ; 详细
In the past 30 years, fall snow cover has increased in the Northern Hemisphere, but spring snow cover has decreased.
图像由美国密歇根大学的科学家马克·弗兰纳绘制,他表示在过去的30年里,北半球降雪量虽然增加,但是春季降雪量却在下降。
One way to address this problem is to use a dependency injection framework (Hani and I are big fans of Guice, which we cover in our book, but Spring is also a good option).
解决这个问题的一个方法是使用依赖注射框架(Hani和我就很推崇Guice,我们在书中有提到,但Spring也是一个很好的选择)。
But it appears that warmer spring temperatures drive lizards to take cover and rest-rather than gather the food necessary to spur reproduction.
而事实却是,春季的高温让蜥蜴在这时节早早躲起来休息,将收集食物和繁衍后代的工作抛在了一边。
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