They include southern Oregon's Chetco, where gold miners plan to suction-dredge some of the best salmon spawning grounds in the state.
这些河流包括俄勒冈南部的切特科河，一些金矿工人计划用吸扬氏挖泥船把这个州内一些最适合大马哈鱼产卵的河底挖深。
Cutter-suction dredger looses the soil to mix with the water by cutter, and pumps the mud by dredge pump.
绞吸挖泥船是利用绞刀松动泥土，使之与水混合，而后用泥泵将泥浆泵出的挖泥船。
Cutter-suction dredger looses the soil to mix with the water by cutter, and pumps the mud by dredge pump.
绞吸挖泥船是利用绞刀松动泥土，使之与水混合，而后用泥泵将泥浆泵出的挖泥船。
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