Finally there are mechanical skimmers - ideal for retrieving heavy oils - which use metal tooth discs, grab buckets and drum separators to remove the oil then pump it into a tank.
最后还有从回收重油方法改进而来的机械分离器，采用金属齿轮盘将油捞起，然后采用分离机将油分离出来放到储罐中。
Zhang Heng was also a mechanical engineer, and made a flying "wooden eagle"and a "mileage-counting drum-cart".
张衡又是一位机械工程师，制造过能飞的“木雕”和能计算里程的“计里鼓车”等。
The results show that the anode passivation can be decreased through the mechanical force of the drum anode, and the current efficiency can be improved.
结果表明：转鼓阳极的机械力作用可以缓和阳极钝化，提高硬质合金废料电解的电流效率。
This article analysed the loads of the drum brake and built the key brake's mechanical model.
通过对鼓式制动器的受力分析，建立了其关键受力部件的力学模型。
The pumping unit described in this article consists of a frame-mounted mechanical reversing drum.
齿轮式无游梁长冲程抽油机为机械换向台架式滚筒抽油机。
Ring chain is applicable to coal mine scraper conveyor, plough, drum shearer and other mechanical traction chain, etc.
圆环链适用于煤矿刮板输送机、刨煤机、滚筒采煤机及其它机械牵引链等。
T he stresses scopes can be calculated by combining the drum or header thermal and mechanical stresses which are obtained from this model.
根据这个结果，可以将此模型计算出的热应力和机械应力合成计算汽包或联箱的应力幅。
The traction characteristics of fully hydraulic single drum compactor are related to its engine, hydraulic system and mechanical system.
全液压单轮振动压路机的牵引特性与其发动机、液压系统及机械系统有关系。
On the basis of mechanical model and formula of single bit, the moment model and load fluctuation model of shearer's drum are built.
根据单个截齿的受力模型和计算公式，建立了采煤机滚筒力矩模型和载荷波动模型。
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。
The mechanical device comprises a rotary drum and a driving mechanism for driving the rotary drum to rotate, wherein the rotary drum is internally provided with a spiral guide plate;
本发明包括一个转筒和带动转筒旋转的驱动机构，转筒内设有螺旋导板；
The mechanical device comprises a rotary drum and a driving mechanism for driving the rotary drum to rotate, wherein the rotary drum is internally provided with a spiral guide plate;
本发明包括一个转筒和带动转筒旋转的驱动机构，转筒内设有螺旋导板；
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