笔者从朋友那里淘来一面日本TDK公司原产的BS-TA502型天线.由于是二手的缘故,缺少了原配的底座支架,另人感到有些遗憾.不过好在天线面还很完整,配上笔者原有的一个落地扇底座即可,并不影响使用.该天线所有连接螺丝都采用了内六角的不锈刚螺丝,拆装须使用DishboyVIP网络安全技术与应用...
A shut-off valve which can be pigged and has a housing (which has at least two connections), a shut-off device (which is mounted such that it can rotate in the housing and has a passage which can optionally be aligned with the connections and has approximately the same width as the ...