required lift信息详情
需用升力
required───adj.必需的;(美)必修的;v.需要(require的过去式及过去分词形式);要求
required for───要求……(required是require的过去式和过去分词)
action required───需要采取的行动
lift───v.举起;抬头(看);提高(嗓子)音量;抬高(价格);空运;被抬起;散开;做美容手术;挖;拿起来放到;使摆脱不愉快的心情;晋级;赢得;解除禁令;顺手牵羊;抄袭;逮捕;n.电梯;上下山缆车;后跟垫;举起;(价格)上涨;(音量)提高;剽窃;提升力;(板球)高飞;搭便车;起重机;鼓舞
required course───n.必修课程
required field───必填项;必填字段
required cl───所需cl
if required───如果需要
authentication required───需要身份验证
This paper introduced a heavy load and super-length journey, high stability required lift telescopic cylinder and the principle of its pneumatic (gas drive) control system.───本文给出了负载较大、行程超长、稳定性要求高的举升式伸缩气缸及其气动控制系统的原理及部分关键部位的优化设计方案。
After the steel beams and the security wall are disassembled, the building can be changed into a garage, a shop, a storeroom, a plant, and the like at any time by assembling the required lift.───拆除钢结构梁和防盗墙后,可以通过按装所需要的电梯,可以随时改变成为车库,商店,库房,工厂车间等。
years and many more failed experiments until Sir George Cayley, a British engineer, determined that flight required lift, propulsion, and control.───年后,一位英国工程师乔治·凯利在经过了无数次失败的实验后,终于得出了一个重要的结论:飞行需要抬升力、推进力和控制力。
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