根据GB/T28621的定义,()是指在正常运行状态下,允许电梯在端站之间自由移动的机械装置,在人员进入桥机或底坑时,该装置限制轿厢的行程,保护顶层或底坑有足够的安全空间A.可移动止停装置B.触发装置C.止动钳D.预触发停止系统的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷
Opening for traffic earlier this week, the 2.4-km-long bridge finally connects two parts of the nation facing each other across the blue waves. Now it just takes a breezy three-minute drive for local residents and travelers to cross the strait for their trips to Dubrovnik, a medieval city ...
As a club member, I believe that being part of a club is not just about joining an organization, but it's about being part of a community. Being in a club allows me to meet new people, learn new skills, and engage in activities that I am passionate about. One of the benefits of ...
blue n. 蓝色 a.蓝色的 a. 悲伤的;沮丧的 board: 名词最常用的含义是“委员会,董事会”,动词后面接交通工具则是“上火车,上船,上飞机”。 book n. 书;本子 v. 预定,定(房间、车票等) boom n. / v. 繁荣,轰鸣,激增 An economic boom followed, especially in housing and ...
未加说明的分录" blind purchase 盲目采购 blue-chip "蓝筹码股票,热门股票" blue-sky laws "蓝天法,股票发行控制法" board chairman 董事长 board minutes 董事会会议记录 board of directors 董事会 board of trade "同业公会,商会" bond "Ⅰ债券Ⅰ保证书,保证金Ⅰ忠诚保证" bond conversion 债券兑换 bond ...
Then, out of the blue, he said,” And I’m going to help other kids cope with loss.” A smile spread across his mother’s face. He decided on a support group called Ailing Mothers and Fathers—based on his mom’s initials, AMF. When Anna Marie died later that month, David starte...
teams will be successively dispatched to the "2+26" cities and 11 cities in Fenhe and Weihe Plains to continuously carry out intensive supervision of air pollution prevention and control and comprehensively launch intensive supervision in key areas to resolutely win the blue sky protection campaign....
As a member of the university club, I am excited to welcome all the new students to our community. Joining a club is a great way to meet new people, learn new skills, and have fun while you're at it. One of the benefits of joining a club is the opportunity to participate in event...
a.you don't like to follow others b.you would be a member rather than a leader c.you would be afraid of following others d.you would like to be a leader rather than a follower 2.If one enjoys life, one is sure to prefer___. a.red to yellow b.blue to orange c.red to grey...
(40 points) Text 1 In the 2006 film version of The Devil Wears Prada, Miranda Priestly, played by Meryl Streep, scolds her unattractive assistant for imagining that high fashion doesn ct her,‘Priteasftfley explains how the deep blue color of the assistant ‘ s sweater descended over the...