unguarded crossing：無人看守平交道

10976 ungated road crossing 無欄木道口 | 10977 unguarded crossing 無人看守平交道 | 10978 uni-directional line 單向運(yùn)行線路

train working diagram of double-track line：雙線列車運(yùn)行圖

10296 train working diagram 列車運(yùn)行圖 | 10297 train working diagram of double-track line 雙線列車運(yùn)行圖 | 10298 train working diagram of partially double-track line 單雙線列車運(yùn)行圖

train working diagram of single track line：單線列車運(yùn)行圖

10298 train working diagram of partially double-track line 單雙線... | 10299 train working diagram of single track line 單線列車運(yùn)行圖 | 10300 train working diagram of trains despatched in pursuit 追蹤...

train working diagram of partially double-track line：單雙線列車運(yùn)行圖

10297 train working diagram of double-track line 雙線列車運(yùn)... | 10298 train working diagram of partially double-track line 單雙線列車運(yùn)行圖 | 10299 train working diagram of single track line 單線列車運(yùn)...

FPC：柔性線路板

星松科技有限公司以印刷電路板(PCB)產(chǎn)品生產(chǎn)人人爱人人色人人操、經(jīng)營為主的高科技企業(yè), 主要生產(chǎn)單面線路板, 雙面線路板, 多層線路板(2~20層), 柔性線路板(FPC)等印刷電路板.公司由多名電路板行業(yè)的專業(yè)人士創(chuàng)建, 擁有10幾年的線路板製作經(jīng)驗(yàn)和高素質(zhì)的管理及工程隊(duì)伍,