位于重型井架或桅架式井架顶部的固定的滑轮组（称之为滑车轮槽轮），通过该滑轮组钻井钢丝绳进行穿绳。
The fixed set of pulleys (called sheaves) located at the top of the derrick or mast, over which the drilling line is threaded.
报道解释了如何通过穿恰当的鞋，运动前伸展股四头肌和腘绳肌，运动时更加谨慎小心，更安全的减少膝关节损伤的风险。
The report explains how to safely reduce the risk of knee injuries by wearing the right shoes, stretching the quads and hamstrings before exercise, and being mindful during exercise.
操作者应该穿防护衣和携带呼吸器，戴安全帽，穿工作鞋，携带安全绳。
Operators should wear protective clothing a breathing apparatus, a helmet, working boots, lifeline.
为了增添抗拉强度，在穿接绳器的部位，再钉四个钉子，然后用铁丝和胶带包起来。
For added holding and pulling strength, drive four nails through the snake and the drilling line, and wrap the snake with soft wire and tape the entire length.
绳可锯木断，水可滴石穿。苦干加巧干，坚持持久战。
Rope can be sawn timber, water drops stone wear. Hard work and working smart, adhere to the protracted war.
最好先穿些引导线，以用于伞绳的正确定位。
Use the guide strip attached earlier to help positioning the strings.
水滴石穿，绳锯木短！
《史记·孔子世家》记孔子晚年学易“韦编三绝”。他常常学习，把穿竹筒的牛皮绳翻断过多次。
"History Recording Confucius Aristocratic Family" Says that in his later years Confucius liked reading The Changes so much that he read it over and over again to break it.
《史记·孔子世家》记孔子晚年学易“韦编三绝”。他常常学习，把穿竹筒的牛皮绳翻断过多次。
"History Recording Confucius Aristocratic Family" Says that in his later years Confucius liked reading The Changes so much that he read it over and over again to break it.
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