尼龙雨衣的手感又干又脆又薄，像纸一样。Linen raincoats have a crisp, papery feel.粗花呢从不过时，手感很好，结实耐磨。Tweed is timeless, tactile and tough.我喜欢这块布的手感, 它摸上去毛茸茸的很暖和.I like the feel of this cloth; it has a warm woolly feel....
The pistons are graphite-coated to reduce friction.活塞上涂了一层石墨以减小摩擦力。Some pistons have seating rings of metal or leather.有些活塞上有金属或皮革的密封环.A pump uses valves and pistons.泵使用阀和活塞....
Education should be geared to the children's needs and abilities.教育应适应儿童的需要和能力.Institution of such schools was geared to these needs.这种学校的建立是与这些需要相配合的。The party is all geared up for the forthcoming election campaign...
分接头控制是换流器控制系统中重要组成部分.The tap changer control system is important component of converter control system.反用换流器用于变直流电为交流电的仪器.A device used to convert current into alternating current.转换器 、 换流器之硬体驱动系统.The hard - ware of driv...