QuietTM Fire Door is of single, double and sliding types and products of standard and nonstandard sizes are available to meet the requirements of different sound insulation grades.
夸耶特TM隔音防火门有单开、双开、推拉等多种形式，提供标准及非标尺寸，不同隔音等级需求的产品。
This covers all grades of fuel oil and all types of combustion machinery, including main and auxiliary boilers.
该限制适用于所有燃油种类及所有燃烧设备，包括主锅炉和辅锅炉。
Professional research and development of various types and grades of wholesale abstract oil paintings. Companies to cooperate sincerely with the abstract oil paintings, decorative painting orders.
专业批发研发各种类型和档次的抽象油画。诚与各公司合作抽象油画，装饰画定单。
It is a two grades system, including 10 landscape types and 31 landscape subtypes.
该系统为二级分类系统，包括10个景观型、31个景观亚型。
The paper analyzed and demonstrated the types, basic parameters, working grades of gantry crane and the forms of the new standard of gantry crane in forestry.
本文对林用门式起重机型式、基本参数和工作级别标准的制订进行了分析和论证。
According to different regions and ecological conditions, the sand hazard along the railway was divided into four types and nine grades.
因不同地带生态条件不同，引起铁路沙害可划分为四类九级。
Professional research and development of various types and grades of wholesale abstract oil paintings.
古长城（抽象）油画研发制作中心，现在要直接面对各国客户。
Professional research and development of various types and grades of wholesale abstract oil paintings.
古长城（抽象）油画研发制作中心，现在要直接面对各国客户。
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