hole director炮眼: porthole; borehole导向: guide; steering; guiding架: frame; rack; shelf; stand井眼导向: borehole navigation导向架: crosshead; guard-bracket; guide bracket; guide frame; rider下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:炮眼导向架，即可在微信中查询翻译
