查询词典 pitch-dark

In this case the impressions are placed on a pitch circle diameter 120° apart; this design allows the runners to be kept to a minimum length.

在这种情况下，型腔等分120度布置在圆周上；这种设计允许流道能维持最短的长度。

A Chaser then flies from the center circle of the pitch toward the goal and tries to score.

追球手从球场的中心圆圈飞向对方球门，试图进球得分。

In the product of 71.5mm of diameter of bearing pitch circle, rotate speed coming back is spent achieved 21000rpm,"For the whole world highest ".

在轴承节圆直径71.5mm的产品中，旋转速度达到了21000rpm，"为全球最高"。

Used to drive,then the pitch Circle diameter should be o less than twice of the shaft diameter.

IM3011 型为机座不带底脚，端盖有凸缘，圆锥形轴伸，轴伸向下。

Therefore, the user in the time of order if you have special requirements, such as thin film to India or want Business card printing and membership card making function from 60 grams of India to 330 grams, can only be the diameter of the rollers and nano-imprint lithography gear pitch circle diameter of mutual relations.

所以，用户在订货时如果有不入格给求，比如给印超薄的薄膜或者但愿制卡和会员卡制息性能从60克印至330克，只能在压印滚筒的直径与齿轮节圆直径的彼此干系上怠工调动。

After each serial measurement, it is not necessary to change the relative position of the two pitch circle devices, so the process of mutual check is simplified and the measuring time is shortened.

针对此缺点，本文提出采用排列常角法实现正多面棱体和多齿分度台角分度误差的互检，不需要在每个测回完成后改变两个圆分度器件的相对位置，从而简化了互检过程，缩短了测量时间。

A drilled or cored and spaced equally around the pitch circle, which is concentric withthe bore

螺栓孔应为钻孔，均匀的分布在节距圆上，并与孔同心

The pitch circle is shown with dashed dotted lines.

分度圆用点画线表示。

Keywords aluminum wheel;hub studs;Pitch Circle Diameter;PCD;digital image processing

铝轮毂；螺栓孔；节圆直径； PCD；数字图像处理

Aim at disadvantages of traditional measuring methods,such as lower precision and complicated operations,a precise measuring method for pitch circle helix angle of involute spur gear by CMM was put forward.

针对渐开线圆柱斜齿轮分度圆螺旋角的传统测量方法精度低、操作复杂等缺陷，提出用三坐标测量机精确测量圆柱斜齿轮分度圆螺旋角的方法，介绍了其测量原理及步骤，并进行了测量精度分析。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。