那些卡车是按交通局的订货单制造的。
Those lorries are manufactured to the order of the Communication Bureau.
平移式舷梯，引水员舷梯，双节伸缩式舷梯按订货主的要求承担设计、制造。
Two-pieces adjustable ladder can be designed and manufactured according to order demand.
平移式舷梯，引水员舷梯，双节伸缩式舷梯按订货主的要求承担设计、制造。
Two-pieces adjustable ladder can be designed and manufactured according to order demand.
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