It is, in effect, a system of bonded Labour.

实际上，这就是一种包身工制度。

youdao

In the un-bonded pre-stressed concrete bridges, Anchorage failure is likely lead to collapse of the entire system.

无粘结预应力混凝土构件中，锚具的失效可能导致整个结构体系的崩溃。

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A composite thermal barrier coating system includes a honeycomb metallic structure filled with high thermal expansion ceramic hollow spheres in a phosphate bonded matrix.

复合热障涂层系统包括蜂窝金属结构具有高的热膨胀磷酸盐保税基陶瓷空心球填补。

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In the early 1990s, Pakistan introduced the Bonded Labour System (Abolition) Act, including imprisonment and fines for offenders, and in the past has responded to CNN's reporting on the issue by listing the practical measures it's taken to protect workers.

CNN: 'Humans of New York' takes on bonded labor in Pakistan