Both grooves could then be played at the same time using two needles.
这样两个沟槽可以同时演奏，通过使用两个针头。
In 1877, he created a machine with two needles: one for recording and one for playback.
1877年时，他创造了一个内附两只唱针的机器：一只用来记录，而另一只用来播放。
When it is used for sterilization, it takes same operation step as the fourth step; two needles will produce ozone and negative ions.
用于杀菌灭毒，与第四步打火操作步骤同，两针将产生臭氧和负离子。
Conclusions Percutaneous intracystic steroid injection using two needles for solitary bone cysts in children is simple, safe and effective.
结论经皮双针囊腔内注射类固醇适合于小儿孤立性骨囊肿，简单，安全，治愈率高。
After the skin was disinfected, blood was drawn using a syringe-like transfusion apparatus with two needles and one valve, and was immediately transfused into the soldier's vein.
皮肤消毒后，用一个带有两个针头和一个活门的类似大注射器的输血器，一次一次地抽取血液，然后立即输给伤员。
Unlike the flat cylindrical tubes of traditional needles, two serrated shanks form their needle's exterior, while a central shaft slides between.
和平滑的圆柱形传统针头不同，这种针头的外部是两段锯齿条，中空的部分可以在锯齿条之间滑动。
For prefilled syringes without attached sterile needles, expel the contents of each syringe into one or two separate membrane filter funnels or into separate pooling vessels prior to transfer.
对于没有附无菌针头的预装填注射器，在转移之前，将每个注射器的内容物排出至一个或两个单独的膜过滤器漏斗，或至若干单独的合并容器。
In a safe place Tom examined two large needles which were thrust into the lapels of his jacket, and had thread bound about them — one needle carried white thread and the other black. He said.
在一个安全的地方，汤姆仔细检查了别在上衣翻领上的两根大针，针上还穿着线，一根。
To crochet, you use one crochet hook, but for knitting you use two knitting needles.
为了钩针，你使用一个钩针，然而为了编织，你使用两个编织针。
Two row needles can work at same time, high speed and productivity.
双排针可同时工作，速度快，产量高。
There are two basic types of needles, latch and beard.
针的基本类型有两种：舌针和钩针。
After about two hours, all those little holes that the needles poked into your skin will have closed, and you can take off the clear wrap.
在时间到了之后，所有刚刚针刺的小洞都会合起来，这时候你就可以将保护膜拿掉了。
Describe the arrangement of needles in punched non-woven production line. Introduce two up to date ways to arrange the needles by computer.
结合生产工艺，阐述针刺布生产线的针板配置，介绍两种全新的电脑布针方法。
Generally, the compositions of the essential oils from needles of the two varieties were similar but the contents of some compounds differed greatly.
两树种针叶精油的主要化学成分大致相同，但在含量上有较大差别。
We put forward technical and methods of the right abdomen tilted of operate, three needles and two lines ways for fixed of abomasum, decompress of rumen, extracted of stomach eyewinker and so on.
提出了右腹壁斜切口的手术方法、三针两线真胃固定法、瘤胃减压、胃异物的取出等技术和方法。
It is specially designed for plain weave, and two drawing needles are used to operate at the same time for increasing the productivity.
它是为了穿平纹组织而特殊设计的，但是采用了两个钩针同时进行工作，可以提高机器的生产率。
However the two discharge needles have micro-currents which will not pose a security threat to human body and other animals.
但两放电针是一种微电流，对人体及其它动物不会构成安全威胁。
Objective To investigate the different effects of two kinds of antiseptic solutions on indwelling intravenous needles in babies.
目的探讨两种消毒液对小儿浅静脉留置效果比较。
Methods To chop nucleus by two disposable needles, extract nucleus through the small incision, and implant intraocular lens.
方法利用一次性注射器针头采用双针劈核法劈开晶状体核，小切口囊外摘除，植入后房型人工晶体。
In a safe place Tom examined two large needles which were thrust into the lapels of his jacket, and had thread bound about them-one needle carried white thread and the other black.
46在一个安全的地方，汤姆仔细检查了别在上衣翻领上的两根大针，针上还穿着线，一根绕着白线，另一根绕着黑线。
Two or more layers of fabric are combined by pushing barbed needles through them.
两层面料缝合在一起时，需在衣缝开始和终端处用加固缝使其牢固。
Two or more layers of fabric are combined by pushing barbed needles through them.
两层面料缝合在一起时，需在衣缝开始和终端处用加固缝使其牢固。
应用推荐