煤气管道的计算压力≥105Pa应进行()。 ["严密性试验","先强度试验然后严密性试验","只做强度试验"]
制作白兰地的主要原料是() ["葡萄酒及发酵的葡萄汁","小麦","甘蔗","大麦"]
船舶系泊时,能防止船舶前移的缆绳包括:() ["尾缆和尾倒缆","尾缆和首倒缆","头缆和尾倒缆","头缆和首倒缆"]
船舶系泊时,能防止船舶后移的缆绳包括:() ["尾缆和尾倒缆","尾缆和首倒缆","头缆和尾倒缆","头缆和首倒缆"]
制作威士忌的主要原料是() ["小麦","葡萄","大麦","甘蔗"]
班前会是接班前,结合当班()和(),做好()分析,布置安全措施,交待注意事项。