所有分包商的起重机及其相关的起重设备应当按照国家的规范、赛科现有的起重机、绳索和索具程序进行检查、维修。
All contract cranes and associated rigging equipment will be inspected, maintained and operated in compliance with appropriate state regulations, current SECCO crane, slings and rigging procedures.
根据缆索起重机的实际工作情况给出了缆索起重机承载索张力的计算模型，同时给出了承载索承载能力的计算方法。
This article introduces a calculation model of cable crane on the basis of its working situation, and calculation method of the rope's carrying capacity.
绳索式木材抓斗按起重机特性适配，常用类型有单索、双索和四索三种。
Mechanical timber grab is equipped according to the characteristic of crane, which could be divided into three species, that is single rope, double rope, and four rope.
绳索式木材抓斗按起重机特性适配，常用类型有单索、双索和四索三种。
Mechanical timber grab is equipped according to the characteristic of crane, which could be divided into three species, that is single rope, double rope, and four rope.
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