Mechanics. A pulley or system of pulleys mounted in a case, used to increase the mechanical power of the ropes running through them; employed esp…
| 单词 | θ206213 |
| 释义 | society > travel > travel by water > vessel, ship, or boat > equipment of vessel > tackle or purchase > [noun] > system of) pulley(s) (27) block1622 Mechanics. A pulley or system of pulleys mounted in a case, used to increase the mechanical power of the ropes running through them; employed esp… Subcategories:— groove of (1) — seizing on (1) — rope or band round block (4) — specific forms of block (7) — for raising anchor (2) — for raising or lowering topmast (1) — for raising or lowering yards (1) — through which ties of yards reeved (3) — for raising or lowering sails (5) — for raising or lowering ship's boat (1) |
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