Adjustable shoulder straps have an ergonomic design and superior dual density foam padding for ultimate comfort and breathable mesh.
可调节的肩带有一个符合人体工程学设计，为最终的舒适性和透气网和优越的双密度泡沫填充。
2
As an example of multi-motor synchronized driving system, the mechanical structure of a dual-motor synchronized driving system and the mesh relations between gears are studied.
以双电机同步联动伺服系统为例，研究了多电机同步联动系统的机械结构以及齿轮间的啮合关系。
3
In this paper is advanced a new type of collimator-dual sieve-mesh collimator.