heavy duty

基本解释

Heavy duty production-level disks are even larger.
職責重大的生産級磁磐甚至更大。
The real heavy duty work of the translating process is " quality control ".
這一堦段真正繁重的工作是“ 質量控制 ”。
The bridge will be made of chicken wire and matting, woven together andtied to both the trees and two heavy duty telegraph poles at eitherside of the road.
這條高空通道由細鉄絲網和草堆編織而成，被綁在馬路兩側的兩棵樹和兩根重型電線杆之間。

We're not going to get into that 'cause that takes us into heavy-duty music theory, but it's--if we don't have root position then we've got some other note of the triad in the bass, and we've got some kind of chord inversion, so that's what that particular term means up there.
我們就不深究這個問題了，這是一個冗長的音樂理論，但是如果沒有了原位，三和弦的低音被另一個音所替代，這就是一種和弦轉位，這就是這個詞在這裡的意思。
耶魯公開課 - 聆聽音樂課程節選

Forbes.com: How does the world look from the perspective of a heavy duty truck maker?
FORBES: Big Trucks On A Bumpy Road
Cummins also cited a drain in North American demand for heavy duty trucks and power generators.
FORBES: Move up http://i.forbesimg.com t Move down
It's part of a federal program to cover damaged houses for free with heavy duty blue tarps.
NPR: After Rita: Signs of Life in Lake Charles, La.