orthovoltage x-ray常规: conventionx: vt. (x-ed, x'd x-ing, x'ing) ...线: thread; string; wire常压: ordinary pressure; constant ...x 线: roentgen rays; x rays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:常规x线,常压x线，即可在微信中查询翻译
