ESSAR图纸注释? 16.all instrumentation tubing , .........所有的 仪表接管 .... 17. to minimize the total line loss(friction+static head losses) from outlet of contractor tube bundle to the suction trap .... 至 疏水器 的总管线压头损失降低到....... 18. contractor shell and driver supports sit directly on a common steel reinforced mat.this is necessary to prevent unequal settling. 壳体和驱动器支座直接 安装 于......必须保证支座平衡 安装 。 19.seal flush filters are to be located at grade and be easily accessible to unit operators and maintenance personnel. 把第一个 and改成which ,怎么样. [ ]查看更多