1·It requires adopters place hands underneath the back and then only lift head and shoulders.
动作的要领是，将手置于背部下方，只需抬起头和肩即可。
2·For large discharge and low lift head, it is especially suitable to use tubular pumps for their economic characteristics.
贯流泵是适用于大流量、低扬程的一种经济泵型。
3·With the model, the design of sprinkler pipeline network can be optimized, the optimal lift head and pipe size were determined, and the annual operational cost was minimized.
应用上述模型，可进行机压管道式喷灌系统配水干管管网的优化计算，可确定水泵最优扬程及干管各管段尺寸最优值，以使干管管网系统年费用值达最小。
4·You need to lift your head every now and then when you're reading, which is good for your eyes.
阅读时，你应该偶尔抬头，这对你的眼睛有好处。
5·Her father was so sick that he couldn't lift up his head.
她父亲病得连头都抬不起来了。
6·Maintenance contracts generally contribute around half of the revenues of the big lift companies, providing steady income even when new orders head for the basement.
维修合同通常给大型电梯公司贡献了半数的收入，即使是在没什么新订单的时候，它也能提供稳定的收入。
7·Long enough for a ponytail with swing to it. Long enough to sit against when I'm in a chair. Long enough to have to lift it up out of the sweater I'm pulling over my head. Long enough to braid.
长到有马尾来回摇荡，长到我做下去的时候头发挨着靠椅，长到当我穿套头毛衣时不得不把头发从毛衣里抽出来，长到足够去扎辫子。
8·Within three days Pharaoh will lift off your head and hang you on a tree. And the birds will eat away your flesh.
三天之内，法老必斩断你的头，把你挂在木头上，必有飞鸟来吃你身上的肉。
9·As you become more proficient and comfortable in the pose, learn to lift and lighten the body by actively grounding the crown of the head onto the floor.
当你越来越熟练自如，试着头顶主动向地板伸展，借助地板的回弹力，帮助身体提升。
10·As the upper arm appears, lift the head carefully, watching for the rear shoulder to deliver.
当上臂露出时，小心的抬起头部，注意观察后肩部的生产。