双滑轮

Later models included a double-step pulley for the motor and a proper countershaft assembly, thus doubling the number of available speeds and giving, according to the handbook, a range from 55 to 465 RPM in backgear and from 380 to 3050 in direct drive, which was a much more satisfactory arrangement.

稍后模型包括一个双步滑轮为电动机和一个适当的countershaft大会，因此，人数增加一倍，现有的速度和给予，根据手册，射程从55至465每分钟转速在backgear和从380到3050 ，在直接驱动，这是一个更理想的安排。

Monogram canvas, cotton lining, natural cowhide trimmings and handles.Golden brass pieces,Double zipper closure,Two inside patch pockets.Large, exterior pocket with zip.Extendable handle with a press button, natural cowhide vertical handle and anti-skid wheels.Handle attachment, removable address label.

Monogram 帆布，棉质衬里，天然牛皮饰边与手柄，金黄色黄铜饰件，双拉链开口，两个内侧贴袋，大型外侧拉链口袋，按钮式的可伸缩手柄，天然牛皮垂直手柄与防滑轮，手柄附件，可拆卸地址标签，手提行李尺寸。

Simple one sheave and two sheaves pulleys.

简单的单绳轮和双绳轮滑轮。

The key point of the structure of the utility model is that: the other side of the reducer that is arranged on the platform is provided with a hoisting device; the roller shaft end of the electronic controlled windlass is provided with a hub, a damper brake is arranged outside the hub; the input castellated shaft of the reducer that is arranged on the electronic windlass is provided with duplicate gears that have different amount of teeth.

本实用新型包括标准节，两侧标准节的中间为平台，电控卷扬机的卷绳通过平台上的滑轮同吊盘相连；平台上的减速器的一侧设置有可提升平台的具有卷绳的滚筒，平台上设置有具有滑轮的支架，其结构要点平台上的减速器的另一侧设置有提升装置；电控卷扬机的滚筒轴端设置有轮毂，轮毂外设置有制动闸；电控卷扬机的减速器的输入花键轴上设置具有不同齿数的双连齿轮，双连齿轮之间的凹槽内的拨杆同减速器外的摇把相连。

Fig 2. A double-line, straight pull with a typical winch and pulley arrangement.

图2：双线，使用一个滑轮挂钩作支点，可放大绞盘拉力，但速度则慢了一半。

A light tackle having double or single blocks, used to hoist or tighten rigging.

轻型滑车双滑轮或单滑轮轻型滑车，用于升起或拉紧支撑船桅和帆的全部绳索

The two pieces thin paper are glued closed .A light tackle having double or single blocks, used to hoist or tighten rigging.

轻型滑车双滑轮或单滑轮轻型滑车，用于升起或拉紧支撑船桅和帆的全部绳索

Another example is NabeyaBi-tech Kaisha, a medium-sized firm in Gifu, central Japan, which makeshigh-precision machine parts, from large pulleys to tiny shaft-couplings.

另一个例子是中日本岐阜的一家中型公司——制造高精度机器零件的锅屋双科技会社，产品包括从举行滑轮到小型联轴器。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。