安装有seal wash组件的，无论是否使用缓冲盐，开泵之前都应该使之充满流动的液体（10%IPA水溶液）并调流速为20滴/分钟（）

A.安装前务必目视检查内螺套是否存在松动、脱落或其他明显的损伤

B.安装时需确保力矩在手册要求范围内，禁装过力矩安装；需严格互检要求，互检人员需关注力矩施加的情况

C.以上都对

A.1

B.2

C.3

D.4

A.悬挂

B.底盘

C.电瓶

A.蓄电池配电盒

B.启动马达

C.发电机

D.所有用电器

完成下列各题 The people who lives in the far North are called Eskimos(爱斯基摩人)．In the world of ice and snow it is 21 to grow plants for food．The Eskimos must hunt and fish during the whole year to 22 themselves and their families with food．In winter，they hunt the seal(海豹) 23 the polar(极地的)bear．When they hunt the seal，they 24 a hole in the ice and try to 25 the seal when it comes up to breathe． In summer，the Eskimos hunt 26 animals。and they also hunt birds and catch fish． 27 that is useful is saved．The Eskimos use the meat from animals for food．They melt(融化)the fat from their bodies and use the 28 as fuel(燃料)．They make tools out of animals bones．The skin and furs of animals are used for making clothing． If an Eskimo is 29 lucky，he may kill a whale(鲸鱼)， 30 a dead whale may wash up on the shore near his house．The whale is an especially useful animal，because it gives a great 31 of oil． There is 32 wood at all where the Eskimos live．Eskimos 33 all their wood from the sea．Sometimes floating wood from places．farther south washes up on the shore． Most Eskimo houses are 34 of stones．Instead of a door，there is a long，low tunnel (地道) 35 into the house．People have to crawl(爬)through the tunnel in order to enter the house．

A.important

B.impossible

C.impolite

D.interesting

A.接线盒和背板脱离

B.接线盒开裂和破损

C.接线盒密封失效

D.二极管失效，发生短路、断路或者烧毁

A、安装有X线管组件

B、下端安装摄影平台

C、通常人们称作C臂

D、镜像记忆功能用于C位

E、是多数厂家采用的形式

A.公共自行车色彩亮丽，通过彩色喷涂技术实现了定位

B.区别于普通自行车，公共自行车通常安装有定位功能模块

C.无论身处何处，公共自行车均可被APP软件发现

D.公共自行车的使用没有年龄限制