常見例句雙語例句Rod body with right or left-hand male thread.桿端體帶有左旋或右旋的外螺紋。www.kasab.com.cnMale thread need more taper Do have water in cores?外螺紋需要更多錐形螺紋 內(nèi)核是否有水?The core bit includes shank and thread , which consists of male thread and female thread.有直柄鉆頭和螺紋柄鉆頭之分,螺紋柄分為內(nèi)螺紋和外螺紋。 返回 male thread