It was boom, boom, boom, like gunshots, "said the shopper, who like others in the store whipped out a cellphone to snap the scene before security personnel put a stop to any picture taking."
“它轰隆、轰隆、轰隆，像炮击一样，”这位顾客说，她像在这个店里的其他人一样，在保安人员制止任何拍照之前快速拿出手机咔咔地拍摄这一场景。
"It was boom, boom, boom, like gunshots," said the shopper, who like others in the store whipped out a cellphone to snap the scene before security personnel put a stop to any picture taking.
“它轰隆、轰隆、轰隆，像炮击一样，”这位顾客说，她像在这个店里的其他人一样，在保安人员制止任何拍照之前快速拿出手机咔咔地拍摄这一场景。
"I met you somewhere in a hell beneath the stairs, " she sings, "There's someone in that room that frightens you when they go boom, boom, boom."
“我在楼梯下地狱的某处与你相遇，”她唱到，“当他们隆隆作响时，屋子里有个人让你十分害怕。”
Boom crane often has a boom with varying cross section. Boom weight, its construction and main dimension significantly affects the crane performance.
臂架式起重机常采用变截面的臂架，臂架的自重、结构型式与主要尺寸对起重机的性能有重要的影响。
The boom assembly also includes an actuator connected between the frame of the work machine and the boom by a third frame pivot connection and a third boom pivot connection.
悬臂组件还包括一致动器，该致动器由一第三构架枢 轴连接件和一第三悬臂枢轴连接件连接在工作机械的构架和悬臂之间。
The boom assembly also includes an actuator connected between the frame of the work machine and the boom by a third frame pivot connection and a third boom pivot connection.
悬臂组件还包括一致动器，该致动器由一第三构架枢 轴连接件和一第三悬臂枢轴连接件连接在工作机械的构架和悬臂之间。
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