英语词汇heavy back怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

短语

1
heavy back-up roll
大型支承辊
2
heavy back up roll
大型支承辊
3
heavy cutting-back
重回缩修剪

双语例句

1
Heavy back-up roll fractures spontaneously when it is placed.
大型支承辊在放置时自然断裂。
2
The results showed that the higher internal stress and serious carbide network in the banded carbide in the inner roll body were the main causes of heavy back-up roll stationary cracking.
结果表明，辊身心部较高的内应力和在带状碳化物中存在严重的网状碳化物是造成大型支承辊置裂的主要原因。
3
Two weeks ago, on a hot summer afternoon, I was about to cross a little busy road when I noticed an old grandpa with a heavy bag on his back just a few meters from me.
两周前，一个炎热的夏天的下午，我正要穿过一条有点繁忙的马路，这时我注意到一位背着一个沉重的包的老爷爷就在离我几米远的地方。

单词	heavy back
释义	heavy back 简明释义厚地织物，厚背组织：指厚实的织物或背部组织。网络释义短语 1 heavy back-up roll 大型支承辊 2 heavy back up roll 大型支承辊 3 heavy cutting-back 重回缩修剪双语例句 1 Heavy back-up roll fractures spontaneously when it is placed. 大型支承辊在放置时自然断裂。 2 The results showed that the higher internal stress and serious carbide network in the banded carbide in the inner roll body were the main causes of heavy back-up roll stationary cracking. 结果表明，辊身心部较高的内应力和在带状碳化物中存在严重的网状碳化物是造成大型支承辊置裂的主要原因。 3 Two weeks ago, on a hot summer afternoon, I was about to cross a little busy road when I noticed an old grandpa with a heavy bag on his back just a few meters from me. 两周前，一个炎热的夏天的下午，我正要穿过一条有点繁忙的马路，这时我注意到一位背着一个沉重的包的老爷爷就在离我几米远的地方。
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