每一盎司的载重量都需要地面上成吨的材料支援。

Every ounce of weight requires tons of material below.

youdao

该型号施工升降机不配有对重，双笼，每笼载重为一吨。

This type of hoist is opereated without counterweight, has two cages, each with one ton capacity.

youdao

该型号施工升降机不配有对重，双笼，每笼载重为一吨。

This type of hoist is opereated without counterweight, has two cages, each with one ton capacity.

youdao