English translation for "back-fill，back-up"

填充

Similar Words：

"back-extrapolate" English translation, "back-feed material" English translation, "back-feed oil seal" English translation, "back-field" English translation, "back-filling in layers" English translation, "back-fire arrangement" English translation, "back-fire arrestor" English translation, "back-flame boiler" English translation, "back-flap assembly" English translation, "back-flip pass" English translation