Fasten the gates securely so that they do not blow open.
把大门闩好以免被风吹开。
Attach the regulator. Fasten the regulator to the cylinder and tighten the inlet nut securely.
连接调整器。把调整器紧固在钢瓶上,安全地上紧入口螺母。
Builders must fasten down roofs of newly-built homes more securely.
建造工人必须把新建房屋的屋顶固定得更牢靠些。
Fasten the regulator to the cylinder and tighten the inlet nut securely.
把调整器紧固在钢瓶上,安全地上紧入口螺母。
Fasten the regulator to the cylinder and tighten the inlet nut securely.
把调整器紧固在钢瓶上,安全地上紧入口螺母。
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