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- stained heart wood 变色心材
- Cottonwood, maple ,pinewood ,birch, miscellaneous tree,trimed log or heart wood of clamp-shaft remained. 杨木,枫木,松木,榆木,杂木,修直以后的原木或有卡剩下的木芯
- Wet heart wood,an abnormality occuring in tree growth,is a critical problem in poplar wood processing and utilization. 湿心材是树木生长中的一种反常现象 ,在杨树中表现甚为突出 ,是杨树加工利用中的一大难题。
- Cottonwood,maple,pinewood,trimed,birch,miscellaneous tree,log or heart wood of clamp-shaft remained. 杨木,枫木,松木,按木,榆木,各种硬质木材或修直以后的原木或有卡剩下的木芯
- Inferior lumber or yellow heart wood not only yellow brown of colour and lustre, woodiness is very loose also. 劣质木材或黄心木等不仅色泽黄褐,木质也十分松软。
- Chinese real love of friends, read your heart wood, they immediately go on short deflated go up and funny. 真正热爱中文的朋友,读读木心吧,他们立刻矮下去瘪下去并好笑起来。
- The secondary growth includes several consecutive processes such as vascular tissue differentiation, secondary cell wall deposition, lignification, PCD and heart wood formation. 次生生长包括维管组织形成、次生细胞壁形成、木质化、PCD以及心材形成等过程。
- Polyphenol compounds from heart wood of 15 years old E. leichow No. 1 contained mainly hydrolysable tannins (5. 98%)and partly condensed tannins (1. 91%). 15年生雷林一号桉木心材中的多酚类化合物以水解单宁为主(占原料的5.98%25),其次为缩合单宁(1.91%25)。稀碱预处理桉木,可除去大部分多酚类化合物。
- He vainly tried to mark the defacing stain out. 他试图除去有损外观的污迹,但没有成功。
- I put the shirt in soapy water to soak out the stain. 我将衬衫浸在肥皂水里以去除污渍。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹,看能不能将它去掉。
- My heart beat thick in the course of the interview. 在面试过程中我的心跳得厉害。
- The little boy stained his fingers with ink. 小男孩的手指让墨水给染脏了。
- The ground was stained by running the foil. 地面已经由于猎物奔回旧路而嗅迹零乱了。
- I am afraid you must wash out this stain. 恐怕你必须洗掉这个污渍。
- The stain on his shirt is difficult to clean off. 他衬衣上的污点很难去除掉。
- She steeped the stained cloth in bleach overnight. 她把有污迹的衣服在洗衣粉里浸了一夜。
- The incident stained his career. 那件小事给他的事业抹上了污斑。
- Mr Jones has a long history of heart trouble. 琼斯先生有长期的心脏病史。
- I rubbed hard but the stain just wouldn't go. 我使劲擦也擦不掉那污迹。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries