to-and-fro造句
1 And black and white tufted ducks tacked to-and-fro, the wind blowing their crests into stiff little top-knots.
2 This to-and-fro approach is called a "rocking chair" design.
3 A design case of to-and-fro yarn-guiding system was presented to illustrate the application of this method.
4 This is just a constant to-and-fro of the crowds moving towards the police, some of them prepared with petrol bombs, many of them holding rocks and throwing them at the police.
5 Coupled vibrations of the jigging motion with the to-and-fro motion are frequently encountered in the run of four wheel drive vehicles such as loaders. At the same time.
6 This is much quicker than the to-and-fro process needed when reading the printed word.
7 This to-and-fro operation wastes very little heat. Some furnaces now blow air only, fuel oil being spayed instead of gas.
8 But in all the to-and-fro over raising the debt ceiling, little sensible has been said about lowering spending in the long term.
9 Cam manipulator automatic send and unload soap. Moulage to-and-fro 90degree stamp. Soap precision nigh and safety.
10 The teacher walked to-and-fro in front of the class as he spoke.
11 Mr. Judd, merging and liquefying light and matter, pulls the world, as if malleable, to-and-fro like taffy.
12 This impulsion tool uses a high speed on-off valve to control to-and-fro motion of the distributing oil valve core,[www.] which impels the cylinder rod to-and-fro motion to form impulsion.
13 The take-up device keeps the take-up reel traverse precisely by to-and-fro moving, not only traverse freely adjustable, buy also against dangerous factor from rupture of traditional rod.
14 A novel uniform heating method by impinging jet moving to-and-fro along the width of a heating object was proposed in this paper.
15 A printing and packing mechanism factory wanted to refit the paper delivery system of the mould-cutting machine from the cable manual delivery to the push pedal to-and-fro delivery.
16 Special designed drive outfit and PLC are adopted to control object moving to-and-fro and rotating at prearranged positions.
17 Play is the beginning of interpretation of artistic ontology, and an activity renovating itself in the to-and-fro repetition.
18 Three model joints with different restriction were tested by unvarying load on the vertical direction and to-and-fro load on the level direction, and they may be rectified by practical course.
19 The crank and connecting rod mechanism (CCRM) is often used in automatization machineries. It can transform circumrotation movement into to-and-fro beeline movement.
20 Results: In the flow-through arterialized venous flap, the flow in the flap was slowly to-and-fro in both arterioles and venules without a dominant direction.
21 This paper has studied the theory and mathematic model of twisting machine's to-and-fro guiding-yarn and put forward a new way of servo to-and-fro guiding-yarn system and realized it.