机械敷设电缆时,在牵引端宜制作电缆(),保持匀速牵引,应遵守有关操作规程,加强巡视,有可靠的联络信号。
参考答案:拉线头
治疗外感表证兼有食积者,宜选用的药物是()
A.神曲
B.麦芽
C.青皮
D.莪术
E.山楂
The 2018 World Cup __________ in Russia. How ________________ is !
A.will be held ; exciting a news
B.will taken place ; an exciting news
C.will be taken place ; exciting the news
D.will hold; an exciting news