.lha是什么意思

用法例句

Materials of forged steel roll for cold rolling wide strip and its application;

宽带钢锻钢冷轧辊的材质与使用

Features of all kinds of hard alloy cu ts and its application and mainternance;

硬质合金刀具的特点·使用·维护

Research and application of topside valve house of pump plunger;

抽油泵活塞上阀罩的改进与使用

The caution of process planning usage and maintenance for the screw and barrel of single screw plastic extruder;

单螺杆塑料挤出机螺杆、机筒工艺编制和使用、维修中注意事项

Complement Usage and Management of Ring and Ring Traveler;

钢领钢丝圈的配套使用和管理

Steam usage and control in factory;

轮胎厂蒸汽的生产使用和管理

The use and maintenance of Ni-P electroless plating solution in the mining machine production;

化学镀镍—磷液在采矿机械生产中的使用与维护

Safe management and use of logging truck tyres;

木材运输汽车轮胎的安全管理与使用

The operation and maintenance of LF70 PVC polymerizer;

LF70型PVC聚合釜的使用与维护

Packaging operation and maintenance of drill rig engine;

谈钻机柴油机的配套和使用

Operation and Maintenance of Large Scale Waste Transfer Station;

大型垃圾转运站设备的使用与维护

Design construction and using of gas heating furnace for hammer forging;

锻锤用煤气加热炉的设计、施工及使用

Analysis of rational using slag - bearing iron and steel;

合理使用渣钢铁的理论探讨

Discussion of Some Problems on Using Modified Starch Size;

当前变性淀粉浆料使用中几个问题的探讨