... 空心变压器 air-core transformer; 空心病 hollow stem; 空心玻璃纤维 hollow glass fibre; ...
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... rod; hollow drill shank; hollow drill steel; hollow rod; hollow stem; hollow-drill shank; hollow-drill steel 空心钻杆钢 hollow drill steel ..
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hollow stem valves 空心杆瓣
hollow-stem dth 贯通式潜孔锤
hollow stem valve 空心阀杆气门
celery hollow stem 芹菜空心病
hollow stem continuous auger 空心外螺旋钻具
hollow valve stem 空心气门杆
Compact and beautiful dark green, head with small buds and no leafy, no hollow stem, average head weight about 300g, well adapted to spring and autumn cultivation.
球形好，呈半圆球形，花蕾细小，浓绿，无小叶，主茎不易空心，单球重300g左右，适合春、秋季栽培。
The long stem of bamboo is hollow, which makes them light and strong.
竹子长长的茎是空的，这使它很轻很结实。
In order to enhance the service hfe of hollow steel for rock drill stem, the odd number side section shape hollow steel has been designed.
为了提高凿岩钎杆用中空钢的使用寿命，设计了奇数边截面形状的中空钢。
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