按主体词字母查询
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H
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H-pile 工字形桩
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end-bearing steel H-pile 端承工字钢桩
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steel H-pile H型钢桩
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roof-bolt head 顶板锚头,洞顶锚栓头
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round head 圆头(大头坝的)
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screw capstan head 螺旋式绞盘杆,螺旋式刀具盘
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seepage head 渗流水头
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service head 工作水头
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shore head 顶部横撑
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specific[al] head 比水头
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spring head 泉源,源头;弹簧头
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sprinkler head 喷头,洒水头
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static[al] delivery head 静压出扬程,静输送水头(水泵中心至出水管口的高差)
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static[al] discharge head 静泄水水头
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static[al] draft head 吸出高度(水轮机的),吸入扬程(泵的)
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