机械类1班英语

1.在制作电子/电气产品声明的工作中，设备规格、生产能力、尺寸范围、吨位等是必不可少的。2.即使设备不是很关键，产品的包装部分等也必须保持。类型相似的设备通常可以用来制造、加工或组装这些产品。3.非关键设备----类型相似的设备可以用来制造、加工或组装这些产品。envelope在机械上，是个技术性的词汇，指机械或其它设备的性能范围，或者功用极限，特别是在短语push the envelope中；另外在机械上还有包络的意思，比如addendum envelope指齿顶包络面(螺旋齿轮的)。在第一句中，可以引申为“范围”（你也可以从信封的本意来想）。从以下附的解释中也可以看出这一点。在第二句中，语序应该是这样的 the part production envelopes etc must be maintained，however (the) equipment （is）less critical 这一句中，因为没有别的上下文可参考，从此意思上看我觉得envelopes应该是指包装。这个你可以参考你的原文出处。附上一些关于envelope的解释：n. 信封, 纸袋; 封[外]皮; 包封[皮, 装] 外[机]壳, 壳层; 包(围)层, 炉墙, 围砌; (电子射线管)泡 【数】包迹[线], 包络(线, 面), 方框(图) 【航空】气囊;【天】包层;【生】, 包被 floral envelope 【植】花被 例句 flight envelope 飞行包线 nuclear envelope 核膜 Self-addressed stamped envelope. 回邮信封贴足邮资写明发信人（自己）姓名地址的回信信封 damp-proofing for outer envelope 外围护结构防潮 An enveloping sheath or envelope. 外皮或包膜一个包装壳或外壳

Installation instructions: 1. M12X50 mounting bracket with a hexagonal head screws. 2. Installation of track 2, 3, 4, attention to the width 316 MM. Motor orbit round the track and there around the end of the points, while the other hit a block slot, the other side does not. Motor see from one end of the block hit the right end, the figure. 3. Installation of the electrical 5, the electrical header 6, block-to hit the side of the low side, figure, the host 7 mouth blown into host, have installed a good track-8 host, stainless steel door to the side of the end of round , The first installation of the end of the block 10, installed last round 11, hit the block for the low side to side, Figure. To install collision-for-9 block, block and hit the attention of the location of fork in place and accurate. 4. Installation of suction cotton site 12; 13; 14; 15; 16; 17, 14 slider attention on the rubber plate and 90 PVC pipe contact with the plane formation installed seal, 90 PVC pipe in a 110-host the middle. 5. Installation of the wind blowing suction tube parts, installing 18; 19; 20; 21; 22; 23 24 26 29 30. Installed after the support arm 25 into one end of connecting with the host side, PVC winds blowing straw and the host of soft straw with bellows 27,110 directly connected with 31, with 28 jets hoop clamping. 6. Belts installed 32

Fills the lidFlushes the die curriculum to design □□revolves the chuckSpecial processing practiceNumerical control mill/Vehicle processingElectric spark machining6,140 lathe operations (metalwork practice)Two levels of gears gear boxes