The design thoughts and theory of the new type of auto-controlling pull rope tired test set based on PLC are given,and the composing parts,controlling units and software are introduced.
拉绳自动回收装置被广泛应用于家用电器产品中,为了保证自动回收装置的质量和使用寿命,要求该类产品在出厂前必须做拉绳疲劳试验。
Therefore the D-type tarpaulin has better performance than small-sheet tarpaulin under the same condition,and the tensile force of cord with net is 20% 60%less than that without net,so cord net has an important role.
针对D型与X型篷布的有绳网和无绳网4种不同装载与加固方案,在不同时速下进行货车过隧道时篷布绳索拉力测试和全程跟踪监控摄像的实车试验。
He gave a strong pull at the rope.
他用力拉了拉绳子。
a loop formed in a cord or rope by means of a slipknot; it binds tighter as the cord or rope is pulled.
绳子或绳索上用打活结的方法打的结；当拉绳子或绳索时结会变紧。
Don't strain at the rope.
不要太用力拉绳子。
a tight rope, belt, rein, etc
拉紧的绳子、 带子、 坃绳等
r(of a rope,etc)be passed out;pass(a rope,etc)out
（指绳索等）放出,拉出;将（绳等）放出,拉出
stop or check by or as if by a pull at the reins.
以缰绳停止或者勒制或使劲拉缰绳。
The tension was so great that the rope broke.
绳子拉得太紧绷断了。
Don't strain the rope too hard.
不要把绳子拉得太紧。
The rope tightened as I pulled on it.
我把那根绳子拉紧了。
The ropes are tense.
这些绳子是拉紧的。
He reined up.
他拉紧缰绳，停止前进。
cordage of hemp, not pulled or garnetted
大麻绳,未拉伸或扯松
manila and sisal ropes
马尼拉麻(蕉麻)、剑麻绳
cordage, of agave, not pulled or garneted
剑麻绳,未拉伸或扯松
cordage of jute , not pulled or garnetted
黄麻绳, 未拉伸或扯松
I took the other end of the rope and pulled.
抓住绳索的另一端再拉，
He strained at the rope and the boat moved.
他拉紧缆绳,船随着动了。
breaking tensile test of rope
钢丝绳破断拉伸试验