单主梁门式起重机是门式起重机的一种。
如果要求门腿宽度大，工作速度较高，或经常吊运重件、长大件，则宜选双梁门式起重机。
If the request gate leg width is big, the working speed is high, or lifts heavy, the long big-ticket item frequently, then chooses the double Liang portal type hoist crane suitably.
型单梁门式起重机属桥架型的一种，适用于露天仓库货铁路沿线进行一般的装卸及起重搬运作业。
L single girder gantry crane is a bridge type, suitable for open storage for general cargo railway transport loading and unloading and lifting operations.
型单梁门式起重机属桥架型的一种，适用于露天仓库货铁路沿线进行一般的装卸及起重搬运作业。
L single girder gantry crane is a bridge type, suitable for open storage for general cargo railway transport loading and unloading and lifting operations.
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