catheter knotting导管: conduit; conduit pipe; draug ...打结: tie a knot打结: tie a knot◇打结器 [化学纤维] knotter; 打结强度 knot strength磁控管打火: sparking of magnetrons套管打捞矛: casing dog; casing ear; tricasing spear下载手机词典可随时随地查词查翻译
