They are employed by electrical contractors and maintenance departments of factories, plants, mines, shipyards and other industrial establishments.
他们受雇于电业承办商和工厂的维修工部门，工厂，矿山，船厂和其他工业场所。
They are employed in boiler fabrication, manufacturing, shipbuilding, construction, electric power generation and similar industrial establishments.
他们受雇于锅炉制造，制造，造船，建筑，发电及类似的工业场所。
Gas fitters install, inspect, repair and maintain gas lines and gas equipment such as meters, regulators and heating units in residential, commercial and industrial establishments.
燃气装配工安装，检查，维修和保养住宅，商业和工业机构的天然气管道和燃气设备，如仪表，稳压器和供热单位。
They are employed by construction companies, carpentry contractors, maintenance departments of industrial establishments, and custom furniture and fixture manufacturing or repair companies.
他们受雇于建筑公司，木工承包商，工业场所的维修部门，定制家具和夹具的制造或维修公司。
As a result, huge Numbers of industrial, commercial and residential establishments ran their own power generators - producing electricity at high cost to themselves and the Nigerian economy.
结果，大量工商业机构和房产部门纷纷拥有了自己的发电机-在发电的同时，也使它们自己和尼日利亚经济付出了高昂的代价。
The new law hurts old establishments more, so that thousands of factories closed down in traditional industrial districts, with multiplier effects going down the supply chain.
该新法对旧机构的损害比新机构为甚，成千上万的在旧工业区的工厂关门，骨牌效应推到工业的后援行业去。
Yard locomotive engineers operate locomotives within yards of railway, industrial or other establishments.
堆场机车工程师在铁路，工业或其他场所庭院内部操作机车。
Plan direct and evaluate the activities of sales departments in commercial, industrial, wholesale and retail and other establishments.
规划指导和评估商业，工业，批发和零售业及其他机构的销售部门的活动。
They are employed by refrigeration and air conditioning installation contractors, various industrial Settings, food wholesalers, engineering firms and retail and servicing establishments.
他们受雇于制冷与空调安装工承包商，各种工业环境，食品批发商，工程公司和零售及服务机构。
Maintain, repair and renovate residences and wooden structures in mills, mines, hospitals, industrial plants and other establishments.
维护，修理和翻新住宅和磨房，矿山，医院，工厂等场所的木结构。
By instance confirmed the method validity and has comprehensive promoting and using value in asynchronous motor energy saving aspect in industrial and mining establishments.
通过实例，验证了该方法的有效性，在工矿企业异步电动机节能运行方面具有全面推广应用的价值。
By instance confirmed the method validity and has comprehensive promoting and using value in asynchronous motor energy saving aspect in industrial and mining establishments.
通过实例，验证了该方法的有效性，在工矿企业异步电动机节能运行方面具有全面推广应用的价值。
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