您要查找的是不是：
- Hand in single rope grabs crane practical, is a hand in the air through the cords of discharging ChanSheng can open to grab ship. 产品说明:手拉单绳抓斗实用于单勾起重机上，是一种通过手拉绳索在空中能打开卸料的单绳抓斗，多用于船上。
- The hydraulic open-close system analysis and the troubleshooting for the marine single rope grab 船用单绳抓斗液压开合系统分析与故障诊断
- This paper studies the intensity of friction wheel in detail, taking the friction wheel of tower friction hoist with four ropes produced by CITIC Heavy Machinery Inc. in LuoYang as the model. 本论文以洛阳中信重型机械公司生产的井塔式四绳摩擦式提升机为模型，对摩擦轮的强度做了比较深入的研究。
- This rope is four metre longer than that one. 这根绳子比那根长4米。
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- Automatic and manual rope grab 自动和手动抓绳器
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
- My house is four miles distance from the sea. 我家离海四英里。
- Our team beat them hollow by four clear goals. 我们队以净胜4分彻底击败了他们。
- The leap year comes around once in four years. 每四年有一个闰年。
- The soldiers counted off from the left by four. 士兵们从左起四个一组大声报数。
- He wooed four girls before finally marrying one. 他在结婚之前曾向四个姑娘求过婚。
- Four avenues radiate from the square. 四条林荫大道从那广场向四方延伸。
