许多出版物仍然靠强制订阅和“单位”发行量支撑。有些出版物可能从来就没人阅读。

Many publications are still supported by mandatory subscriptions and circulations to "work units". Some are probably never read at all.

youdao

针对本工程为重型钢结构，对厂房采双层格构式刚性支撑方案，单位面积用钢量节省10%左右。

For this project is a heavier steel structure, plant production double-layer lattice rigid support scheme, the amount of steel per unit area save about 10%.

youdao

针对本工程为重型钢结构，对厂房采双层格构式刚性支撑方案，单位面积用钢量节省10%左右。

In view of this project is the heavy steel structure, picks the double-decked trellis type rigidity support plan to the workshop, the unit area saves about 10% with the steel quantity.

youdao