这句英文语法有错吗船员用备用的木板在船上赶制了一只应急用的舵,并克服重重困难将舵安装就位,这样一来,大大降低了船的航速.

这句英文语法有错吗
船员用备用的木板在船上赶制了一只应急用的舵,并克服重重困难将舵安装就位,这样一来,大大降低了船的航速.因为船不能开得太快,否则就有危险,应急舵也会被刮走.因为这个缘故,“卡蒂萨克”号落到了后面.跨越赤道后,船长将船停靠在一个港口,在那儿换了一只舵.
The sailors used the ready wood board to make fleetly a urgent helm on the ship and fixed it well after beat many difficults.However,it much decrease the speed of the ship.The ship can not drove too fast,or it will have dangerous and the urgent helm is broken too.Because of this,the Cutty Sark fall behind.After the Cutty Sark passed equator,the captain ordered to stop in a port where changing a helm for the ship.
1、这句英文有错误吗?请指出,就这段英文分析
2、英文地道程度如何