这是一张六十年前烤鸭师傅挑杆转动烤鸭的珍贵照片，现藏于北京首都博物馆。
Taken in the 1930 ', these is a valuable picture of roasting a duck. And now it is collected by the Beijing Capital Museum.
TJ-18型地面加料机其挑杆回转运动与上下摆动运动采用了液压传动，设备重量轻，结构紧凑、动作灵敏、操作方便。
Rotating and up-down swinging of the ram for TJ-18 groundcharger are hydraulically driven, which can reduce the weight of equipment, make structure contact and be convenient to operate.
电脑绣花机旋梭与挑线杆动作的完美配合构成了绣花机成缝的基本要素。
ComputerEmbroiderMachine shuttle coming back is as perfect as what carry string staff action cooperated to form embroider machine to become seamed main essential factor.
挑粱。连墙撑等杆配件，使用安全可靠。
Bar accessories such as a wall or support, the use of safe and reliable.
由于挑线杆具有优良的高速耐久性，即使在高速缝纫状态下也能确保低震动、低噪音、高效率。
The thread take-up lever of super durability ensures highly efficient performance of work in low noise with little vibration during high speed sewing.
由于挑线杆具有优良的高速耐久性，即使在高速缝纫状态下也能确保低震动、低噪音、高效率。
The thread take-up lever of super durability ensures highly efficient performance of work in low noise with little vibration during high speed sewing.
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