A string for a ball game racket consists of individual, parallel to each other, glued together filaments made of plastic. Natural gut strips can also be used instead of the filaments. This design prevents "technical" stretching even when the fabric is subjected to high stress. The elastic ...
One scout holds the ball of string and the washer.On 'GO' signal, the scout keeps hold of the end of the string, but hands the ball of string to a neighbor. The scout then slides the washer onto the end of the string and slides it down the string to the neighbor. In this manner...
String for ball game racquets which comprises a core (11) and at least one sheathing (12), wherein the core (11) and the sheathing (12) are different colours. If the sheathing becomes worn or is damaged, the colour of the core (11) becomes visible and thereby indicates to the user ...
String for stringing ball-game rackets 来自 掌桥科研 喜欢 0 阅读量: 8 申请(专利)号: DE19843437578 申请日期: 1984-10-13 公开/公告号: DE3437578A1 公开/公告日期: 1986-04-17 申请(专利权)人: VOLLMER, KARL-HORST, 5600 WUPPERTAL, DE 发明人: VOLLMER, KARL-HORST, WUPPERTAL, DE ...
Male Ball Stretcher Scrotum Ring Belt Penis Cock Ring Cock Testis Restraint Cockring Penis Extender Sex Toys for Men Time DelayUSD 2.75/piece Hollow Speculum Huge Silicone Anal Plug Opening Anus Open Rings Vaginal Peeping Sex Toys New Large Butt Plugs Prostate MassagerUSD 4.33-5.49/piece Sexy Crot...
The primary aim of this study was to determine whether variations in rebound speed and accuracy of a tennis ball could be detected during game-simulated conditions when using three rackets strung with three string tensions. Tennis balls were projected from a ball machine towards participants who att...
a ball of string一团绳子~+介词 a string of pearls一串珍珠 用作动词 (v.)~+名词 string the pearls串珍珠 string a violin给小提琴上弦~+副词 string ingeniously巧妙地连成一串 string scrupulously谨慎地上弦 string strenuously艰难地排成一行 string along欺骗 string together连贯起来 string ideas together...
28. to strike a cue ball to determine the order of play. 29. string along, a. to be in agreement; go along. b. to keep in a state of uncertainty. 30. string out, a. to extend; stretch out. b. to prolong. Idioms: on a or the string, subject to the whim of an...
a single unbroken movementespecially: one of a series of repeated or to-and-fro movements a striking of the ball in a gameespecially: a striking or attempt to strike the ball that counts as the scoring unit in golf a sudden action or process that results in something being struck stroke ...
Fun with String Figures By Walter William Rouse Ball. New York, Dover Publications, 1971, 1999. 80 pages. ISBN: 0486228096. VSCL. Garofalo, Michael M.S., Red Bluff, California, String Figures Performer. Mike does string figures performances, workshops, and demonstrations of string figures ...