It is not convenient now.
现在不方便。
以上为机器翻译结果，长、整句建议使用 人工翻译 。
As silo is required and it is not convenient for receiver and launcher installation and pig disassembly, underground installation is not adopted now.
地下安装需设发射井，安装收发球筒及装卸清管器均不方便，现已不采用。
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