一种定义
四种语言
The assembly work is usually specified precisely in advance.
Target times can be planned in advance for all phases of work.
However, the work steps are not repetitive and can seldom be planned far in advance.
Slide Strip 8 can be pushed into the groove to form a contact surface for materials.
These ensure goods can be easily pulled and pushed by hand.
Handles make it easier to pull and push SystemMobiles that are carrying heavier loads.