... regular overhauling 定期检修 main engine overhauling crane 主机检修用吊车 ; 主机解体检修用吊车 overhauling,overhauling, 大修 ...
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... magnetic crane 电磁吊车; 磁力起重机; 磁盘起重机 main engine overhauling crane 主机解体检修用吊车 make-up crane 配料起重机 ...
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main drain engine overhauling crane 主机解体检修用吊车
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