good online bookstores system, multifunctional convenient, without extracting passwords, hope you like them.
基于1个网页-相关网页
The operation practice shows that the design and development of stand by burner and multifunctional top lance are perfect in functions, convenient for use and provided with advanced world level.
投产实践证明：预热枪和多功能顶枪控制系统的开发和设计功能完善、使用方便、具有当今世界先进水平。
The multifunctional toilet bowl employs one-hole type sewer pipe still, which is convenient for installing and using for the existing toilets.
本多用式座便器仍采用一孔式下水管，方便现有卫生间的安装和使用。
The structure of the multifunctional manual tool is simple, the operation is convenient, the cost is low and the carrying is convenient.
本实用新型结构简单、操作方便，成本低廉，方便携带。
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