The processing of gear hob used the meshing straight teeth and helical cylindrical gears of cutting tools.
齿轮滚刀常用的加工外啮合直齿和斜齿圆柱齿轮的刀具。
A pair of spur gears for mounting on parallel shafts are the most common type of gears, which have straight teeth.
安装在两根平行轴上的直齿轮最常见的齿轮，这种齿轮带直齿。
Today it's relatively rare for someone to have perfectly straight teeth (without having been to the orthodontist).
所以，现在已经很难看到哪个人天生就长着一副十分完美的整齐牙齿；
Perfect teeth - white, straight and evenly aligned - may be the ideal in America, but that aesthetic is not for everyone.
洁白、整齐、排列均匀的牙齿也许在美国堪称完美，但这种审美标准并不适合于所有人。
This bear prefers to dine privately. It turns with the salmon in its teeth and runs straight uphill to some unseen hideaway.
看来今天这只白灵熊喜欢吃独食，它叼着鱼径直跑上山坡，把它藏到隐蔽处。
A wannabe model can be tall, with a perfectly symmetrical face, beautiful skin, lovely eyes, and perfectly straight white teeth, and still be considered unattractive.
想当模特儿的人即使身材够高，脸蛋完美对称，皮肤漂亮眼睛迷人而且牙齿整齐洁白，还是会被认为缺乏魅力。
Her dark hair waved untidy across her broad forehead, her face was short, her upper lip short, showing a glint of teeth, her brows were straight and dark, her lashes long and dark, her nose straight.
她黑发蓬蓬松松地飘拂在宽阔的前额上，脸是短短的，上唇也是短短的，露出一排闪亮的牙齿，眉毛又直又黑，睫毛又长又黑，鼻子笔直。
The teeth on bevel gears can be straight, spiral or hypoid.
锥齿轮的齿可以是直齿、螺旋形或准双曲面。
It is necessary for both straight profile toroid worm and double enveloping toroid worm to be pruned on the faces of teeth.
直齿廓环面蜗杆或者二次包络环面杆蜗，均需进行修形加工。
The tooth enamel is softened by the acid and brushing straight after will wear the teeth down.
酸性物质会软化牙釉质，立即刷牙会磨损牙齿。
METHODS: 25 extracted human maxillary anterior teeth, with a single straight root were randomly divided into 5 groups. They were instrumented with K-files and conventional preparation technique.
方法：25颗离体直根管前牙，随机分为5组，不锈钢K锉常规法预备根管，应用5种冲洗剂组合进行冲洗。
Burial tombs mainly to sit straight, a general Suizang roe teeth wind study, some of Suizang pig, a symbol of wealth Zhugu.
墓葬以仰卧伸直葬为主，有普遍随葬獐牙的风习，有的还随葬猪头、猪骨以象征财富。
This paper introduced a new design method of rotor teeth profile and star-wheel teeth profile enveloped with multi straight lines in a single screw compressor.
介绍了多直线包络的单螺杆压缩机螺杆齿面母线和星轮齿型面的设计方法。
He lay on his back, with his teeth set, his right hand clenched on his breast, and his glaring eyes looking straight upward.
他右手捂着胸口躺在地上，咬紧牙关，圆睁着双眼望着头顶。
The placement of the incisor teeth bracket was in the middle of the clinical crown, and retention arch wire was straight wire without step bends.
其最大特点是既反映大多数牙的临床牙冠中点，又对某些牙位托槽位置进行了调整，实现了无弓丝弯曲的直丝弓矫治目的。
Straight bevel gear teeth actually have the same problem as straight spur gear teeth-as each tooth engages, it impacts the corresponding tooth all at once.
直齿锥齿轮和直齿轮存在这同样的问题----齿的啮合过程中始终存在冲击。
Straight bevel gear teeth actually have the same problem as straight spur gear teeth-as each tooth engages, it impacts the corresponding tooth all at once.
直齿锥齿轮和直齿轮存在这同样的问题----齿的啮合过程中始终存在冲击。
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