悬吊绳、拉力绳、安全绳、固定绳应该每周或每次使用前检查一次，规格(额定工作负荷)、磨损限度、损坏程度或安装。
Suspension lines, pull lines, backup lines and snub lines should be inspected weekly and before every job for specifications (job load ratings), wear limits, damage, or improper installation.
特殊设计的偏置阀瓣结构能够快速从密封表面提升起来，最大限度减小磨损并降低操作力矩。
Specially designed offset disc lifts quickly from sealing surface to minimize wear and reduce operating torque.
这些选手采用独特的车身设计不包括石油带，最大限度地提高刚度，减少套管磨损升降。
These lifters feature an exclusive body design that does not include an oil band, maximizing rigidity and reducing lifter bushing wear.
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