The main drive actuating parts of LD-120 five-high tube cold rolling mills include the main motor, belt driving system, rotary feed-in case, intermediate bed and main driving system.
LD- 120五辊冷轧管机的主要传动执行部件有主电机、皮带传动系统、回转送进箱、中间床身、主传动系统。
The block diagram of intermediate frequency feed thru nuller is given.
给出了设计中频对消器的原理框图。
During the later period of the test, amylase activity in foregut of intermediate protein content feed group is significantly higher than that of high protein content group.
而在试验后期，中蛋白饲料组前肠中该酶活性显著高于高蛋白饲料组的。
During the later period of the test, amylase activity in foregut of intermediate protein content feed group is significantly higher than that of high protein content group.
而在试验后期，中蛋白饲料组前肠中该酶活性显著高于高蛋白饲料组的。
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