第十三条检查修理机械设备、电气设备时，必须挂停电警标牌，并设人监护。
XIII. When mechanical and electrical equipment is examined, a power-cut warning must be hung on under the supervision of a designated person.
为满足补风需要，设机械加压送风系统，送风量按不小于排烟量的50%计算。
To satisfy the demands for air supplement, mechanical pressurized air supply system is set. Air supply level is calculated by no less than 50% of smoke exhaust level.
“生产设背”系指拟构成或正构成永久工程一部分的仪器、机械和车辆。
Plant "means the apparatus machinery and vehicles intended to form or forming part of the Permanent Works."
本实用新型涉及一种药品起吊折叠架，属油田钻井机械配套设备领域。
The utility model relates to a medicine lifting folding bracket, belonging to the field of the corollary equipment of a drilling machinery in oil field.
本实用新型涉及一种药品起吊折叠架，属油田钻井机械配套设备领域。
The utility model relates to a medicine lifting folding bracket, belonging to the field of the corollary equipment of a drilling machinery in oil field.
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