backrest是什么意思

The truth is, it would be dangerous to sit backrest easy.事实是,如果坐在那里不闻不问, 那才危险.Aluminum - alloy Wheelchair with Fold - down backrest.铝合金高级轮椅背部可折叠.Backrest adjustable as sit, lie, sleep style.靠背可任意调节为坐 、 躺 、 卧状态....

backrest的音标：backrest的英式发音音标为：['bækrest]backrest的美式发音音标为：['bækˌrɛst]...

backrest的复数形式为：backrests...

To analyze the relationship between CR film quality and different exposal doses.分析不同的曝光条件对于cr影像质量的影响....

n.胭脂树橙...

She stood up and began to pace to and fro.她站起身，开始来回踱步。The boat was rocking gently to and fro in the water.小船在水中轻轻地来回摇荡。They travel to and fro between London and Paris.他们奔走于伦敦和巴黎之间....

alypine的音标：alypine的英式发音音标为：[ə'lɪpɪn]alypine的美式发音音标为：[ə'lɪpɪn]...

adj.大男子气概的n.男子汉...

“多半”的拼音为：duō bàn ...

从不需要昏暗的房间 、 斯林头巾 、 香 、 晶球或付费观众.There were no darkened rooms, turbans, incense, crystal balls, or paying audiences....

“饥民”的拼音为：jī mín...

“千兆”的英语可以翻译为：kilomega，giga，gillion ...

cobbles的音标：cobbles的英式发音音标为：['kɒblz]cobbles的美式发音音标为：['kɑblz]...

“盛况”的英语可以翻译为：grand occasion，spectacular event，pomp ...

writhe的第三人称单数（三单）为：writhes...

“搭扣”的拼音为：dā kòu...

hypotenuse的复数形式为：hypotenuses...

Two phase - shift - networks of frequency discriminator are given circuit and layout examples.本文较详细地分析了鉴频器用移相网络的特性和集成化难易点.Quartz crystal, crystal oscillator, ceramic resonator, ceramic filter, saw filter, ceramic discrim...