螺纹的thread: n. 1.线;细丝;〔英国〕麻纱,〔美国〕棉纱;纤维。 ...thd: ThD =thorium D 钍D 〔铅的同位素 Pb2 ...thd: THD =thread. ThD =thorium D 钍D 〔铅的同位素 Pb208〕。 threaded: 车了螺纹的; 带螺纹的; 有螺纹的thd thread: 螺纹下载手机词典可随时随地查词查翻译