... glass-fibre laser 玻璃纤维激光器 grade bars (在玻璃纤维分条整经机上) 定幅筘 graded-index glass fiber 渐变折射率玻璃纤维 ...
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grade steel bars 级钢筋
The reciprocating-grade is generally adapted in burning lower-grade coals, but its grade bars are frequently damaged by burning.
往复炉排能适应低热值煤的燃烧，但是炉排片经常烧损。
Features: automatic pneumatic braking, redactor beam doffing, adjustable warping speed, fully-enclosed circular frame and adjustable grade bars.
特性：整经下轴速度可调、自动气压制动、羊角可调、可变走丝量、电子计数、整经定长自停。
In a bundle, all the bars should be of the same characteristics (type and grade).
在一个捆绑类型中，所有的钢筋应该是相同的特性(类型和等级)。
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