探测杆 meaning in English

feeler
gauge rod
gauge stick
proof stick

Head room probe
头部空间探测杆
As you sink the probe vertically in front of you , the resistance it meets will help indicate what is underneath
当你在身前垂直地插入探测杆，它所遇到的阻力将有助于指出地下的情况。
In a pinch an ice axe works ok as a probe , but it ' s better to carry a thinner and longer device - - a ski pole without the basket works well , and a dedicated snow probe works best ( figure 1 )
冰镐有时可以作为探测杆使用，但是携带一支更加细长的装备要更好一些? ?不带阻雪环的滑雪杖很好使，专用的雪地探测杆更加好用。
In a pinch an ice axe works ok as a probe , but it [ chr ( 39 ) ] s better to carry a thinner and longer device - - a ski pole without the basket works well , and a dedicated snow probe works best ( figure 1 )
冰镐有时可以作为探测杆使用，但是携带一支更加细长的装备要更好一些? ?不带阻雪环的滑雪杖很好使，专用的雪地探测杆更加好用。