English translation for "derrick retracting"

缩回井架

Related Translations:

retract clearance:  退刀安全高度

derrick boat:  浮式起重机起重船浮吊

pumping derrick:  抽油井架

derrick guy:  吊杆稳索吊杆张索顶索起重架；吊杆拉索井架绷绳起重机风缆

derrick rest:  吊杆承座；吊杆托架吊杆托架

derrick gallows:  吊杆承梁

derrick head:  吊杆端吊杆头吊杆头

a derrick:  a型构架转臂起重机a型转臂起重机

derrick capacity:  吊杆负荷井架承载能力

container derrick:  货柜吊杆集装箱吊杆

Similar Words：

"derrick post ventilator" English translation, "derrick pulley" English translation, "derrick purchase" English translation, "derrick raising" English translation, "derrick rest" English translation, "derrick rig" English translation, "derrick rig system" English translation, "derrick rigging" English translation, "derrick roy st clair heaven" English translation, "derrick shoe" English translation