Directing to the problem of ac double-drum single rope winding lifter working in multiple level without electric brake in middle level, put forward the reform plan.
针对交流双滚筒单绳缠绕式提升机在多水平运行时，中间水平没有电气制动的问题，提出改造方案。
Packaging: in plastic drum with inner double PVC bags containing 10kg net each.
包装：双层塑料袋密封，每袋10公斤，装入塑料桶。
Packaging: in steel drum with inner double PVC bags containing 50kg net each.
包装：双层塑料袋密封包装，每袋净重50公斤，再装入铁桶。
A similar effect can be obtained by playing alternated double strokes on the drum, or very fast single strokes.
类似的效果，可打的鼓，或非常快速的单杆交替双杆。
This paper introduces the principle of double barrel drum mix plant and the application in producing the asphalt mixture, aiming at the rounding town project of Foshan.
阐述了双滚筒连续式拌和楼的工作原理，并以佛山一环城际快速路为工程依托，介绍其在沥青混合料生产中的应用。
Double circuit, air brake, drum type.
双电路，空气制动，滚筒式。
The setup most frequently used in death metal is two electric guitars, a bass guitar, a vocalist and a drum kit almost universally using two bass drums or a double bass drum pedal.
死亡金属的常用装备是两把电吉他、一把低音吉他（贝司）、一位主音歌手（主唱）和一套爵士鼓（即架子鼓，普遍使用两个低音鼓或底鼓双踩踏板）。
Double step drum is an integral drum with stepwise flanges and double step sections. It allows the multiple layer rope winding in non-operating portion of luffing mechanism to make drum shorter.
双阶梯卷筒是一种带有阶梯法兰盘和双阶梯截面的综合式卷筒，可在变幅机构的非工作区段使钢丝绳多层卷绕，以缩短卷筒长度；
The paper gives a detailed introduction to the typical structure and manufacturing method of drum, waterwall, burner and waterwall header of the 300mw double arch furnace boiler produced by DBC.
文章以DBC制造的300MW“W”形火焰锅炉为例，详细地介绍了锅筒、水冷壁、燃烧器和水冷壁集箱的典型结构和制造方法。
Shaxikou Spillway Segment Gate is the first hydraulic Power Station controlled by skew axis double drum hydraulic hoist in our country.
沙溪口表孔弧门是我国第一个采用斜拉式双缸液压启闭机操作的水电站。
The reason why a washing machine like this can wash and get the water out of the clothes at the same time is because it has a double layer drum.
洗衣机之所以能兼具洗条和脱水的功能，是因为它有一个双层水槽。
The brake drum supplied by He Nan Longding Casting Industry Co. , Ltd is made by DISAline, double-smelting and mechanical sculpting.
河南龙鼎铸业股份有限公司供应的刹车鼓为迪砂线生产，冲天炉和电炉双联熔炼的机械造型铸件，材质为HT250。
Packaging:In steel drum with inner double PVC bags containing 50kg net each.
密封 包装 ，每袋净重50公斤，再装入铁桶。
Packaging:In steel drum with inner double PVC bags containing 50kg net each.
密封 包装 ，每袋净重50公斤，再装入铁桶。
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