活塞要在缸筒内做平稳的往复滑动,缸筒内表面的表面粗糙度应达到Ra0.8μm。SMC、 CM2气缸活塞上采用组合密封圈实现双向密封,活塞与活塞杆用压铆链接,不用螺母。2)端盖端盖上设有进排气通口,有的还在端盖内设有缓冲机构。杆侧端盖上设有密封圈和防尘圈,以防止从活塞杆处向外漏气和防止外部灰尘混入缸内。杆...
Thank you ,I've had enough. 谢谢,我已经够了。 I'm full, thank you. 谢谢,我吃饱了。 十六、告别 1、告别前用语 I'm afraid I must be off/be going/be leaving now.恐怕我得走了。 I think I must be off/ be going/ be leaving now.我看我得走了。 Well, It's getting late.噢,天已...
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Hello everyone, I am trying to run the Sandy tutorial and run into the following error when trying to run ./build_coawst.sh Fatal Error: Cannot open module file ‘m_coupling.mod’ for reading at (1): No such file or directory, I've noticed...
1、must表示义务或强制,含意是“必须”“应当”,其否定结构表示“不许可”或“不应该”,用于一般疑问句时,表示征求对方的意见,其肯定答语用Yes,please或I'm afraid so,否定答语用needn't或don't have to,must在间接引语中表过去。2、must表示必然性,一般只用于肯定句中,有时表示“意愿”...
1、must表示义务或强制,含意是“必须”“应当”; 其否定结构表示“不许可”或“不应该”; 用于一般疑问句时,表示征求对方的意见,其肯定答语用Yes, please或I'm afraid so,否定答语用needn't或don't have to; must在间接引语中表过去。2、must表示必然性,一般只用于肯定句中,有时表示“意愿...
I'm very good, I thought you understood But you can never crack this nutshell. Plus what? Take another step toward me And I'm-a put you in emergency unit You eatin' hospital food, dude Please, don't be bull Unless you got it right, number one 'Cause I've just begun Yo, bogo,...
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If only I dance but I'm afraid I've got two left feet. A. can B. would C. should D. could 相关知识点: 试题来源: 解析 【解析】 【译文】要是我会跳舞就好了,可我总是笨手笨脚的。 【解题指导】 1) 本题有一个短语“havr tan lo0 fem”,含义为“有两只左脚”“笨手苯脚”,“极共...
--- Yes, you can. ( No, I’m afraid not. )3) 表示客观可能性(客观原因形成的能力)。They’ve changed the timetable, so we can go by bus instead.This hall can hold 500 people at least.4) 表示推测(惊讶、怀疑、不相信的态度),用于疑问句、否定句和感叹句中。Can this be...