1）『這』地段与有1920『毫米的』直径管道的主输气管道之间的距离是1.7公里 .The site locates in 1.7 km from the main pipeline with a pipe diameter of 1920 mm 2）890万吨 – 2016中国尿素的出口量。相较2015年的破纪录『的』指标减少35% (2015年中国尿素的出口量为1380万吨。8,9 million tons – exports of urea from China in 2016, which is 35% below the record of 2015 in 13.8 million tones. 3）流化床造粒是先进技术因为其(no 的)高效率、所获得产品的优异质量和非常低固体物的回流。这个过程有操作灵活性和可靠性、最(use 少 not 小)技术保养和更(少 )工作人员数量的特点。The fluid granulation process is a leading technology due to its high efficiency, excellent quality of the product obtained and a very low degree of recirculation of the solid. The process is characterized by extreme flexibility and reliability of work, minimal maintenance and fewer maintenance personnel. 4) 需要更少设备和工艺阶段的简单技术（來)保证安装的可靠性 （還有)简单操作(和低价格的）技术保养.The simplicity of the technology, which requires less equipment and technological stages, guarantees reliability of the installation, ease of operation and low maintenance costs.

minimal maintenance and fewer maintenance personnel You better use (較少)技术保养和(較少)工作人员数量 較小 means smaller...