insufficientadj.不足的insufficient enzyme bating[化] 酶软不足insufficient lifting force动力不足insufficient Vbelt tension三角皮带张力不足insufficient cervical mucus宫颈粘液不足insufficient supply of coal煤供应不足insufficient neutralization[化] 中和不足insufficient mineralization不足的矿化作用insufficient domestic demand内需不足insufficient air circulation空气流通不足insufficient right protection权益荒