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- The lens has no internal AF motor and relies on a slotted drive screw operated by the camera. 該鏡頭沒(méi)有內部馬達，需要依靠機身的對焦馬達驅動(dòng)。
- The article presents the principle, basic structure, main features and strike characteristics of new double strike electric drive screw press. 介紹了雙擊式直接電動(dòng)螺旋壓力機的工作原理、基本結構、主要特點(diǎn)及其打擊特性。
- According to the actual working condition of the electric motor on ground drive screw pump, two kinds of new motors are proposed, that is the gearshift multi-power single speed motor and speed regulating pole change motor. 摘要根據地面驅動(dòng)螺桿泵電動(dòng)機的實(shí)際工況，提出了分擋多功率單速和變極調速2種新的電動(dòng)機設計方案。
- Newly developed electric heating hollow rod drive screw pump system adopts hollow sucker rod to drive the screw pump.It has twice the antitorque capacity of the hollow rod with the same cross section. 新研制的電加熱空心抽油桿驅動(dòng)螺桿泵裝置采用空心桿驅動(dòng)螺桿泵，抗扭承載能力比相同橫截面積的實(shí)心桿增大近1倍。
- The hydraulic pressure is used to drive screw and piston.The nut displacement cooperates with the piston micro-displacement to clamp aluminum stick.Many aluminum sticks could be clamped together. 機構采用液壓驅動(dòng),螺旋傳動(dòng)移位,螺母位移與活塞微動(dòng)相配合夾緊,可同時(shí)夾持多根鋁棒。
- ALTERNATE FLAP DRIVE ELECTRIC MOTOR; 襟翼備用驅動(dòng)電動(dòng)馬達;
- The ECR use the on-blade flap driven by embedded electric actuator to fulfill the rotor primary control function,so the traditional swashplate can be omitted. 以此為基礎,進(jìn)行了懸停和前飛狀態(tài)下的電控旋翼襟翼總距和周期變距操縱試驗。
- The motor driven screw mechanism pushes wet soybeans into the grinder.Feed can be adjusted by changing rpm of the motor. 由電機帶動(dòng)螺旋機構推動(dòng)濕豆進(jìn)入磨漿機中，通過(guò)調節電機轉速調節濕豆供應量。
- galvanized mild steel drive screw 鍍鋅螺絲釘
- double-strike electric drive screw presses 雙擊式電動(dòng)螺旋壓力機
- I flap the flies away but soon they fly back. 我把蒼蠅趕走，但一會(huì )兒又飛回來(lái)了。
- In the light of the frequent breaking of the rod string in a surface driven screw pump well, the force condition of the string in the well is analyzed by means of the elastoplasticity theory. 針對井口驅動(dòng)螺桿泵抽油桿柱斷脫頻繁的問(wèn)題，應用彈塑性理論分析了抽油桿柱在井中的受力狀況。
- The stability of instruments should lie enhanced by injecting bone caret into the screw holes and driving screw under terminal plate, and forming framed-structure with traverse rods in the operation. 結論胸椎椎弓根螺釘內固定是治療胸椎骨折的一種有效方法，適用于老年骨質(zhì)疏松癥骨折患者，固定時(shí)螺釘應貼近終板下或釘孔注入骨水泥以增加螺釘的把持力，并通過(guò)橫桿組成框架式結構增加椎弓根系統的強度。
- A flap from the tail of the whale upset the boat. 鯨尾輕輕一拍便把小船打翻了。
- I got into a real flap when I lost my keys. 我丟了鑰匙，心里發(fā)慌。
- The (flap of the) envelope was unstuck. 信封(的封口)沒(méi)粘住。
- How can I drive away these feelings of sadness? 我該怎樣做才能驅散憂(yōu)傷？
- Bill wave his hand to us and then drive away. 比爾向我們揮手告別后開(kāi)車(chē)走了。
- Different from traditional electric and pneumatic screwdriver tools, this screwdriver system can adjust the screw with no axial pressure when driving screws. 區別于現有的電動(dòng)、氣動(dòng)螺絲刀工具,該螺絲刀系統在驅動(dòng)螺絲時(shí),能對螺釘頭實(shí)現無(wú)軸向壓力的調節。
- How long does it take him to drive to work? 他開(kāi)車(chē)去上班要用多長(cháng)時(shí)間？
