坡屋顶由带柱的门廊支承，两端有门廊（无柱庙宇），廊柱在四周排列（绕柱神庙），或者围有双层柱子。
Was supported by columns with a portico at each end ( amphiprostyle temple ) a colonnade extending all around ( peripheral temple ) or a double line of columns all around ( dipteral temple ).
若用带轮、链轮等驱动时应设托架支承，以防主动齿轮轴承受径向力。
If the pulley, sprocket-driven, such as supporting brackets should be established to prevent the initiative gear bearing the radial force.
环拉力在带的各边不同，这种现象由于两带轮间支承面速度不同造成的。
It is considered that this phenomenon is caused by difference of saddle surface speed between two pulleys.
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