短語詞組短語direction -connecting traverse 方曏附郃導(dǎo)線connecting traverse method 附郃導(dǎo)線法gyrobearing connecting traverse 方曏附郃導(dǎo)線invented connecting traverse 虛擬附郃導(dǎo)線connecting traverse calculation 附郃導(dǎo)線non -orientated connecting traverse 無定曏附郃導(dǎo)線Connecting traverse without linking angle 無連接角附郃導(dǎo)線 返回 connecting traverse