annulus logging环: ring; hoop空: leave empty or blank; empty; ...测试: test; testing; checkout; mea ...环空测流立管: annulus access flow test riser发动机真空测试计: engine vacuum checking gauge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:环空测试，即可在微信中查询翻译
