double tackle造句

Therefore, the mechanical advantage of a double tackle is 4.
Violence broke out in the 63rd minute after a double tackle on Michalak.
Farrell kicked the teams level with four minutes left after referee Clark ruled that Gary Orr had been double tackled.
The All Blacks maintained the pressure and Howlett scored their seventh try by going over in the corner after a suspiciously forward pass from scrumhalf Justin Marshall who was being double tackled as he let it go.
Millions of TV viewers saw the winger, who had already scored a memorable try during his team's 61-18 loss at Brisbane, launch himself into a brawl that had already started after a double tackle on French flyhalf Frederic Michalak.
It's difficult to find double tackle in a sentence. 用double tackle造句挺难的

A double tackle has two pulleys in both the fixed and moving blocks with four rope parts ( n ) supporting the load ( F B ) of 100N . The mechanical advantage is 4, requiring a force of only 25N to lift the load.
Note that the gun tackle, double tackle and threefold purchase all have the same number of pulleys in both blocks ( one, two and three, respectively ) whereas the Luff tackle and Gyn tackle have mis-matched blocks with differing numbers of pulleys.