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to phrases
jerk line
anim.husb. 缰绳
archit. 一种钻机启动绳
dril. 猫头绳; 崩扣绳; 松扣绳
tech. 一种钻机用的启动绳; 拉紧线
jerk line
: 2 phrases in 1 subject
Oil / petroleum2