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桅杆式起重机 wéigānshì qǐzhòngjī
bridg.constr. derrick crane
hydroel.st. derrick
met. mast crane
tech. gin pole derrick; pole derrick; guy-derrick
桅杆式起重机由主桅杆、起重臂及卷扬机等组成的固定臂架式起重机 wéigānshì qǐzhòngjī
expl. mast crane
桅杆式起重机: 16 phrases in 4 subjects
Electronics1
Port facilities1
Rail transport1
Technology13