在创建另一个椭圆选区时按住 Alt 键，这样就能用这个圆减去原来那个外圆，于此你就得到下面展示的示意图那样的按钮灯外环厚度。
While holding Alt create another elliptical selection so that you would subtract the original selection to leave you with the thickness of the outer button's light as shown in the illustration below.
花好月圆人团圆，群灯曾艳你最“好”。寄去相思和祝愿，网中情缘愿梦“圆”。
Spending a reunion, group of lamp Ceng Yan you most "good". Send acacia and wishes, the net love to dream "circle".
元宵佳节闹花灯，灯红人喜庆佳节。举杯邀月送相思，月圆人圆乐团圆！
The lantern Festival lanterns, light red joyous holiday season. A drink on send acacia, the month circle person circle band round!
亮得像挂在天空中的一盏灯，圆得像一个大月饼，白得像一块无暇的玉佩。
Light hanging in the sky like a lamp, round like a large cake, like a flawless white jade.
在荧光灯生产设备中圆排车是很关键的设备，其主要是完成排气和注汞功能。
The round exhaust is the pivotal equipment for production of fluorescent lamp. It mainly finishes exhausting and pouring Hg.
本文介绍了霓虹灯圆排机工艺技术及设备的研制，重点叙述了圆排机工作原理和关键部件的研制。
The paper introduces the technique and equipment of exhausting machine for neon lamp, and mainly presents the working principle of neon lamp and design of key parts.
在荧光灯生产设备中圆排车是很关键的设备，其主要是完成排气和注汞功能。
The round exhaust machine is the pivotal equipment for production of fluorescence lamp.
在荧光灯生产设备中圆排车是很关键的设备，其主要是完成排气和注汞功能。
The round exhaust machine is the pivotal equipment for production of fluorescence lamp.
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