它是建筑活动中的主绳，囊括建筑活动中的一切内容。
It is the construction activity in the thigh, won everything in the construction activities.
那些饲养“凶猛犬”品种名单内狗的狗主如果要把狗带到公共场所，需要为狗带上口罩及使用牵狗绳。
Those people who are deemed to be suitable owners will be required to keep 'dangerous' category dogs muzzled and on leads in public.
利用模型计算了主充气阶段伞衣形状变化、伞衣投影面积变化及伞绳张力。
The model was used to calculate the variations of the canopy shape, the variations of canopy projection area and the tension of the suspension line during the final inflation phase.
分析了封包绳提前断裂状态下降落伞系统的运动特性，建立伞舱组合体在拉直阶段的动力学模型，计算了主伞的运动轨迹，分析了拉出的主伞与伞舱口的碰撞情况。
Under the conditions of early rupture of the reefing lines, motion characteristics of parachute system were analyzed, and mathematic model of parachute-capsule system in the deployment was built.
本机设有断绳保险机构和主保险定位机构及液压锁，保证使用安全，平衡可靠。
This auto lift has breaking rope safety device, main safety location device and hydraulic lock, All these things guarantee safe and stable operation.
这样做他交叉了绳子（既不是在副绳上也不是在主跳绳上）。
I strongly believe that Dan did miscalculate on his last jump. For some reason he moved his jump site. In doing so he crossed the ropes (either on the retrieval line or on the main jump line).
根据生产实际运力，合理选择主电机容量和钢绳断面是绳牵引胶带输送机选型的关键所在。在实际运行中，为扩大运力，可对机身各部件进行加固及改造。
According to the actual transport capacity, it is the heart of model selection for rope haulaging belt conveyor to select chief motor capacity and the section of cable rationally.
使用时，将安装座固定在多绳金刚石串珠锯的立柱上，启动多绳金刚石串珠锯主电机，带动主动轮做旋转运动。
The mounting seat is fixed on a vertical column of a multi-wire diamond wire saw when in use, and a multi-wire diamond wire saw main motor is started to drive a drive wheel to rotate.
使用时，将安装座固定在多绳金刚石串珠锯的立柱上，启动多绳金刚石串珠锯主电机，带动主动轮做旋转运动。
The mounting seat is fixed on a vertical column of a multi-wire diamond wire saw when in use, and a multi-wire diamond wire saw main motor is started to drive a drive wheel to rotate.
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