Tan bark, coarse-packed sand and redwood chips make inexpensive side path materials, and cedar shavings add a wonderful scent in wet weather.
谈树皮，粗包装沙子和红木芯片制造便宜的一边道路材料，杉木屑添加在潮湿的天气美妙的气味。
The effects of T30S and Z30S chips, spinning process and drawing process on yarn irregularity of coarse denier PP filament were analyzed.
分析了T30S，Z30S两种切片及其纺丝拉伸等工艺对粗旦丙纶长丝不匀率的影响。
The effects of T30S and Z30S chips, spinning process and drawing process on yarn irregularity of coarse denier PP filament were analyzed.
分析了T30S，Z30S两种切片及其纺丝拉伸等工艺对粗旦丙纶长丝不匀率的影响。
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