A block and tackle is a ___ of pulley blocks and ropes used for pulling or hoisting large objects. A. mechanical set special B. set special mechanical C. special mechanical set D. special set mechanical 相关知识点: 试题来源: 解析 C 答案:C 分析:固定搭配:a set of.;形容词修饰名词。
A must for anyone who lives in a farmhouse: The Terra Kids Block and Tackle hauls all the objects that are needed up above. This not only saves frequent climbing up and down but also is a whole lot of fun for little adventurers. If you wish, you can also disassemble the block and t...
A simple pulley system. If you have ever looked at the end of a crane, or if you have ever used an engine hoist or a come-along, or if you have ever looked at the rigging on a sailboat, then you have seen a block and tackle at work. A block and tackle is an ...
4 input data for block and tackle pulley system correct and incorrect modeling of boundary surface of contact solid finished modeling of the frame corner with screws and rigid members finished hole openings and creation of contact solid product features the design of cold-formed steel members ...
Heavy duty block and tackle pulleys; swivel & fixed hook or eye; snatch pin, flat mount, deck, bolt, strap, deadman; replacement sheaves; zinc or stainless steel
Hanging Type Cable Block Roller Lifting Cable Pulley Cable Protection Pulley Block and Tackle US$50.00 1-9 Pieces US$20.00 10+ Pieces Product Details Customization: Available After-sales Service: 1year Warranty: 1yearContact Supplier Chat ...
To support the Transmission work, Marshine Power hasTubular Gin Pole,Hydraulic cable puller,wire rope pulley block,hoisting tackle, Wire rope gripper ,Cable reel spool and stand- all are OEM and professionally produced per ISO 9001:2008, which are being sold to over more than...
pulley, pulley block, pulley-block block and tackle - pulley blocks with associated rope or cable bullock block - a pulley-block at the head of a topmast fairlead - a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing idle pulley, idle wheel, idler pu...
To support the Transmission work, Marshine Power hasTubular Gin Pole,Hydraulic cable puller,wire rope pulley block,hoisting tackle,Wire rope gripper,Cable reel spool and stand- all are OEM and professionally produced per ISO 9001:2008, which are being sold to over more than 50 countr...
Michel Van de Wiele Block and pulley tackle suspension for Jacquard machine and Jacquard machine with such block and tackle pulley suspensionEP0459582A1 May 28, 1991 Dec 4, 1991 N.V. Michel Van de Wiele Block and pulley tackle suspension for Jacquard machine and Jacquard machine with such ...